$D_{\mathit{mSHt}}$	Demand of medicine $m$ from warehouse $S$ by hospitals $H$ at the period $t$
$D_{\mathit{mSWt}}$	Demand of medicine $m$ from warehouse $S$ by pharmacies $W$ at the period $t$
$D_{\mathit{mWHt}}$	Demand of medicine $m$ from pharmacies $W$ by hospitals $H$ at the period $t$
$D_{\mathit{mDPt}}$	Demand of medicine $m$ from DC $D$ by MP $P$ at the period $t$
$D_{mDP{}^{\prime }t}$	Demand of medicine $m$ from DC $D$ by LP $P{}^{\prime }$ at the period $t$
$D_{\mathit{mDSt}}$	Demand of medicine $m$ from DC $D$ by warehouse $S$ at the period $t$
$D_{mPP{}^{\prime }t}$	Demand of medicine $m$ from MP $P$ by LP $P{}^{\prime }$ at the period $t$
${\sigma }_{\mathit{Dt}}$	Operating cost at the DC $D$ at the period $t$
${\sigma }_{\mathit{St}}$	Operating cost at the warehouse $S$ at the period $t$
${\mathit{IH}}_{\mathit{mPt}}$	Inventory holding cost of medicines $m$ at the MP $P$ at the period $t$
${\mathit{IH}}_{mP{}^{\prime }t}$	Inventory holding cost of medicines $m$ at the LP $P{}^{\prime }$ at the period $t$
${\mathit{IH}}_{\mathit{mSt}}$	Inventory holding cost of medicines $m$ at the warehouse $S$ at the period $t$
${\mathit{IH}}_{\mathit{mDt}}$	Inventory holding cost of medicines $m$ at the DC $D$ at the period $t$
${\mathit{IH}}_{\mathit{mWt}}$	Inventory holding cost of medicines $m$ at the pharmacy $W$ at the period $t$
${\mathit{IH}}_{\mathit{mHt}}$	Inventory holding cost of medicines $m$ at the hospital $H$ at the period $t$
$T_{\mathit{mPDt}}$	Transportation cost of medicines $m$ from MP $P$ to DC $D$ at the period $t$
$T_{mP{}^{\prime }Dt}$	Transportation cost of medicines $m$ from LP $P{}^{\prime }$ to DC $D$ at the period $t$
$T_{mPP{}^{\prime }t}$	Transportation cost of medicines $m$ from MP $P$ to LP $P{}^{\prime }$ at the period $t$
$T_{\mathit{mDSt}}$	Transportation cost of medicines $m$ from DC $D$ to warehouses $S$ at the period $t$
$T_{\mathit{mSWt}}$	Transportation cost of medicines $m$ from warehouse $S$ to pharmacy $W$ at the period $t$
$T_{\mathit{mSHt}}$	Transportation cost of medicines $m$ from warehouse $S$ to hospitals $H$ at the period $t$
$T_{\mathit{mWHt}}$	Transportation cost of medicines $m$ from pharmacy $W$ to hospitals $H$ at the period $t$
${\phi }_{\mathit{oSt}}$	The fixed cost of opening warehouse with capacity level $o$ at location $S$ at the period $t$
${\phi }_{\mathit{uDt}}$	The fixed cost of opening DC with capacity level $u$ at location $D$ at the period $t$
${\mathit{PC}}_{\mathit{mPt}}$	Production cost of medicine $m$ in the MP $P$ at the period $t$
${\mathit{PC}}_{mP{}^{\prime }t}$	Production cost of medicine $m$ in the LP $P{}^{\prime }$ at the period $t$
$F_{\mathit{mP}}$	Fixed emissions based on transportation of medicines $m$ related to COVID-19 patients from MP $P$
$V_{\mathit{mP}}$	Variable emissions based on transportation of medicines $m$ related to COVID-19 patients from MP $P$
$F_{mP{}^{\prime }}$	Fixed emissions based on transportation of medicines $m$ related to COVID-19 patients from LP $P{}^{\prime }$
$V_{mP{}^{\prime }}$	Fixed emissions based on transportation of medicines $m$ related to COVID-19 patients from LP $P{}^{\prime }$
$F_{\mathit{mS}}$	Fixed emissions based on transportation of medicines $m$ related to COVID-19 patients from warehouse $S$
$V_{\mathit{mS}}$	Variable emissions based on transportation of medicines $m$ related to COVID-19 patients from warehouse $S$
$F_{\mathit{mW}}$	Fixed emissions based on transportation of medicines $m$ related to COVID-19 patients from pharmacy $W$
$V_{\mathit{mW}}$	Variable emissions based on transportation of medicines $m$ related to COVID-19 patients from pharmacy $W$
$F_{\mathit{mD}}$	Fixed emissions based on transportation of medicines $m$ related to COVID-19 patients from DC $D$
$V_{\mathit{mD}}$	Variable emissions based on transportation of medicines $m$ related to COVID-19 patients from DC $D$
$d_{\mathit{PD}}$	Distance between MP $P$ and DC $D$
$d_{P{}^{\prime }D}$	Distance between LP $P{}^{\prime }$ and DC $D$
$d_{PP{}^{\prime }}$	Distance between MP $P$ and LP $P{}^{\prime }$
$d_{\mathit{DS}}$	Distance between DC $D$ and warehouse $S$
$d_{\mathit{SH}}$	Distance between warehouse $S$ and hospital $H$
$d_{\mathit{SW}}$	Distance between warehouse $S$ and pharmacy $W$
$d_{\mathit{WH}}$	Distance between pharmacy $W$ and hospital $H$
$E_S$	Emissions based on inventory at the warehouse $S$
$E_P$	Emissions based on inventory at the MP $P$
$E_{P{}^{\prime }}$	Emissions based on inventory at the LP $P{}^{\prime }$
$E_D$	Emissions based on inventory at the DC $D$-
$E_H$	Emissions based on inventory at the hospital $H$
$E_W$	Emissions based on inventory at the pharmacy $W$
$B_{\mathit{mDSV}}$	The released CO2 emission of transported medicines $m$ from DC $D$ to warehouse $S$ by vehicle $V$
$B_{\mathit{mPDV}}$	The released CO2 emission of transported medicines $m$ from MP $P$ to DC $D$ by vehicle $V$
$B_{mP{}^{\prime }DV}$	The released CO2 emission of transported medicines $m$ from LP $P{}^{\prime }$ to DC $D$ by vehicle $V$
$B_{mPP{}^{\prime }V}$	The released CO2 emission of transported medicines $m$ from MP $P$ to LP $P{}^{\prime }$ by vehicle $V$
$B_{\mathit{mSHV}}$	The released CO2 emission of transported medicines $m$ from warehouse $S$ to hospital $H$ by vehicle $V$
$B_{\mathit{mSWV}}$	The released CO2 emission of transported medicines $m$ from warehouse $S$ to pharmacy $W$ by vehicle $V$
$B_{\mathit{mWHV}}$	The released CO2 emission of transported medicines $m$ from pharmacy $W$ to hospital $H$ by vehicle $V$
$E_{\mathit{oSt}}$	The environmental aspect of opening a warehouse with capacity level $o$ at location $S$ at period $t$
$E_{\mathit{uDt}}$	The environmental aspect of opening a DC with capacity level $u$ at location $D$ at period $t$
$I_{\mathit{mPt}}$	The environmental aspect of holding medicines $m$ at MP $P$ at period $t$
$I_{mP{}^{\prime }t}$	The environmental aspect of holding medicines $m$ at LP $P{}^{\prime }$ at period $t$
$I_{\mathit{mSt}}$	The environmental aspect of holding medicines $m$ at warehouse $S$ at period $t$
$I_{\mathit{mDt}}$	The environmental aspect of holding medicines $m$ at DC $D$ at period $t$
$I_{\mathit{mWt}}$	The environmental aspect of holding medicines $m$ at pharmacy $W$ at period $t$
$I_{\mathit{mHt}}$	The environmental aspect of holding medicines $m$ at hospital $H$ at period $t$
$K_{\mathit{oS}}$	The number of job opportunities created by opening a warehouse with capacity level $o$ at location $S$
$K_{\mathit{uD}}$	The number of job opportunities created by opening a DC with capacity level $u$ at location $D$
$R_S$	The rate of unemployment at warehouse $S$
$R_D$	The rate of unemployment at DC $D$
$L_S$	The regional of developed level at warehouse $S$
$L_D$	The regional of developed level at DC $D$
${\varpi }_{\mathit{max}}$	The maximum of social aspect relevant to the balanced service of COVID-19 patients
${\xi }_{\mathit{max}}$	The maximum of social aspect relevant to the balanced economic development
${\varpi }_{\mathit{min}}$	The minimum of social aspect relevant to the balanced service of COVID-19 patients
${\xi }_{\mathit{min}}$	The minimum of social aspect relevant to the balanced economic development
$\alpha$	The weight of social aspect relevant to the balanced service of COVID-19 patients
$\beta$	The weight of social aspect relevant to the balanced economic development
$C_P$	The rate of minimum capacity utilization of MP $P$
$C_{P{}^{\prime }}$	The rate of minimum capacity utilization of LP $P{}^{\prime }$
$C_D$	The rate of minimum capacity utilization of DC $D$
$C_S$	The rate of minimum capacity utilization of warehouse $S$
$C_W$	The rate of minimum capacity utilization of pharmacy $W$
$C_H$	The rate of minimum capacity utilization of hospital $H$
${\mathit{CP}}_{P\varnothing t}$	The capacity of maximum medicine of MP $P$ with capacity level $\varnothing$ at period $t$ (ton)
${CP{}^{\prime }}_{P{}^{\prime }\varnothing t}$	The capacity of maximum medicine of LP $P{}^{\prime }$ with capacity level $\varnothing$ at period $t$ (ton)
${\mathit{CD}}_{\mathit{uDt}}$	The capacity of maximum medicine of DC $D$ with capacity level $u$ at period $t$ (ton)
${\mathit{CS}}_{\mathit{oSt}}$	The capacity of maximum medicine of warehouse $S$ with capacity level $o$ at period $t$ (ton)
${\mathit{CW}}_{\mu Wt}$	The capacity of maximum medicine of pharmacy $W$ with capacity level $\mu$ at period $t$ (ton)
${\mathit{CH}}_{\epsilon Ht}$	The capacity of maximum medicine of hospital $H$ with capacity level $\epsilon$ at period $t$ (ton)
$\mathrm{\Omega }$	The released $\mathit{NO}$ through transport
$\mathrm{\pi }$	The released $C_6{H}_6$ through car exhaust
$Q$	The released $\mathit{CO}$ through car exhaust and the opening of the medicine warehouses, DCs
$\mathrm{\Lambda }$	The released ${\mathit{SO}}_2$ through fuel burning
$\vartheta$	The released ${\mathit{PM}}_{2,5}$ through exhaust gases, transport, mechanical processes, biological processes
$G_{\mathit{So}}$	The economic value of warehouse $S$ with capacity level $o$
$G_{\mathit{Du}}$	The economic value of DC $D$ with capacity level $u$
${\lambda }_S$	Efficiency of warehouse $S$
${\lambda }_D$	Efficiency of DC $D$
$Y_{\mathit{SW}}$	The coefficient of penalty for the first metrics of resilience among warehouse $S$ and pharmacy $W$
$Y_{\mathit{SH}}$	The coefficient of penalty for the first metrics of resilience among warehouse $S$ and hospital $H$
$Y_{\mathit{DS}}$	The coefficient of penalty for the first metrics of resilience among DC $D$ and warehouse $S$
$Y_{\mathit{PD}}$	The coefficient of penalty for the first metrics of resilience among MP $P$ and DC $D$
$Y_{P{}^{\prime }D}$	The coefficient of penalty for the first metrics of resilience among LP $P{}^{\prime }$ and DC $D$
${\mathrm{\Phi }}_D$	The coefficient of penalty for the second metrics of resilience of DCs $D$
${\mathrm{\Phi }}_S$	The coefficient of penalty for the second metrics of resilience of warehouses $S$
${\mathrm{\tau }}_D$	The coefficient of penalty for the third metrics of resilience of DCs $D$
${\mathrm{\tau }}_S$	The coefficient of penalty for the third metrics of resilience of warehouses $S$