View full-text article in PMC Appl Soft Comput. 2020 May 8;93:106385. doi: 10.1016/j.asoc.2020.106385 Search in PMC Search in PubMed View in NLM Catalog Add to search Copyright and License information © 2020 Elsevier B.V. All rights reserved. Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active. PMC Copyright notice Table 3. The details about the computation of model’s parameters. Parameters Distribution (xi,yi) 1000×(U(0,1),U(0,1)) (xj,yj) 1000×(U(0,1),U(0,1)) (xp,yp) 1000×(U(0,1),U(0,1)) (xL,yL) 1000×(U(0,1),U(0,1)) DijM (xi−xj)2+(yi−yj)2 DipP (xi−xp)2+(yi−yp)2 DplL (xp−xL)2+(yp−yL)2 Ait rand{5,10,…,100} CAPPp rand{800,900,…,2000} Bit rand{1,2,…,30} CAPLL rand{50,60,…,100} BIG 10000 PEN For small sizes: 1.5, medium sizes: 3, large sizes: 4.5 TCk rand{10,11,…,1000} CAPk rand{200,300,…,10000} W~it Witr=rand{5,10,…,20} Witq=rand{20,25,…,40} Wits=rand{40,45,…,60} E~it Eitr=rand{0,1,…,3} Eitq=rand{3,4,…,7} Eits=rand{7,8,…,10} L~it Litr=rand{500,1000,…,2000} Litq=rand{1000,1500,…,3000} Lits=rand{2500,3000,…,5000} T~ijt Tijtr=DijM∑i=1M∑j=1MDijM×120×Sa Tijtq=DijM∑i=1M∑j=1MDijM×90×Sa Tijts=DijM∑i=1M∑j=1MDijM×70×Sa λ~int λintr=rand{1,2,…,5} λintq=rand{5,6,…,10} λints=rand{11,12,…,15} MDISnkt rand{25000,30000,…,50000} CS 2 aSpeed transfer coefficient based on the vehicles for transferring between patient i and j.