Source and date of the last search	Search strategy	Results
Cochrane Airways Trials Register (via Cochrane Register of Studies) Date of most recent search=28 April 2020	#1 MESH DESCRIPTOR Pulmonary Disease, Chronic Obstructive EXPLODE ALL AND INSEGMENT #2 MeSH DESCRIPTOR Bronchitis, Chronic AND INSEGMENT #3 (obstruct*) near3 (pulmonary or lung* or airway* or airflow* or bronch* or respirat*) AND INSEGMENT #4 COPD:MISC1 AND INSEGMENT #5 (COPD OR COAD OR COBD OR AECOPD):TI,AB,KW AND INSEGMENT #6 #1 OR #2 OR #3 OR #4 OR #5 #7 MESH DESCRIPTOR Telemedicine EXPLODE ALL AND INSEGMENT #8 telehealth* or tele‐health* AND INSEGMENT #9 telemedicine* or tele‐medicine* AND INSEGMENT #10 telemanagement or tele‐management AND INSEGMENT #11 telecare* or tele‐care* AND INSEGMENT #12 telematic* AND INSEGMENT #13 telepharmacy or tele‐pharmacy AND INSEGMENT #14 telenurs* or tele‐nurs* AND INSEGMENT #15 tele‐homecare or telehomecare AND INSEGMENT #16 teleconsultation or tele‐consultation AND INSEGMENT #17 (remote* or distant or distance) NEAR (consult* or monitor* or care or treat* or therap*) AND INSEGMENT #18 (mobile* or digital*) NEXT health* AND INSEGMENT #19 ehealth or e‐health AND INSEGMENT #20 mhealth or m‐health AND INSEGMENT #21 MESH DESCRIPTOR Technology EXPLODE ALL AND INSEGMENT #22 MESH DESCRIPTOR Telephone EXPLODE ALL AND INSEGMENT #23 MESH DESCRIPTOR Videoconferencing EXPLODE ALL AND INSEGMENT #24 MESH DESCRIPTOR Electronic Mail EXPLODE ALL AND INSEGMENT #25 MESH DESCRIPTOR Text Messaging EXPLODE ALL AND INSEGMENT #26 MESH DESCRIPTOR Software EXPLODE ALL AND INSEGMENT #27 MESH DESCRIPTOR Software EXPLODE ALL AND INSEGMENT #28 MESH DESCRIPTOR Computers, Handheld EXPLODE ALL AND INSEGMENT #29 MESH DESCRIPTOR Computer‐Assisted Instruction AND INSEGMENT #30 MESH DESCRIPTOR Decision Making, Computer‐Assisted EXPLODE ALL AND INSEGMENT #31 MESH DESCRIPTOR Wireless Technology AND INSEGMENT #32 MESH DESCRIPTOR Internet EXPLODE ALL AND INSEGMENT #33 (internet* or computer* or web* or online*):ti,ab,kw AND INSEGMENT #34 (telephone or phone*):ti,ab,kw AND INSEGMENT #35 (sms or mms or texting or text messag*):ti,ab,kw AND INSEGMENT #36 (video* or skype*):ti,ab,kw AND INSEGMENT #37 (email or e‐mail or electronic mail):ti,ab,kw AND INSEGMENT #38 interactive* or telecommunication* AND INSEGMENT #39 wireless* or bluetooth* AND INSEGMENT #40 smartphone* or cellphone* AND INSEGMENT #41 (iphone* or ipod* or podcast* or ipad* or android* or blackberr* or palm pilot*):ti,ab,kw AND INSEGMENT #42 (pda* or personal digital assistant*):ti,ab,kw AND INSEGMENT #43 (tablet* or hand‐held*) near3 (device or computer) AND INSEGMENT #44 social* near3 (media* or network*) AND INSEGMENT #45 smart watch or smartwatch AND INSEGMENT #46 wearable*:ti,ab,kw AND INSEGMENT #47 #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #13 OR #14 OR #15 OR #16 OR #17 OR #18 OR #19 OR #20 OR #21 OR #22 OR #23 OR #24 OR #25 OR #26 OR #27 OR #28 OR #29 OR #30 OR #31 OR #32 OR #33 OR #34 OR #35 OR #36 OR #37 OR #38 OR #39 OR #40 OR #41 OR #42 OR #43 OR #44 OR #45 OR #46 #48 #47 AND #6	November 2018=1084 April 2020=553
IEEE Xplore Digital Library (https://ieeexplore.ieee.org/Xplore/home.jsp) Date of most recent search=28 April 2020	((COPD OR “chronic obstructive pulmonary disease” OR “chronic obstructive lung disease” OR “chronic obstructive airways disease” OR emphysema OR “chronic bronchitis” OR AECOPD))	November 2018=105 April 2020=25
ClinicalTrials.gov (https://www.clinicaltrials.gov/) Date of most recent search=28 April 2020	Condition: COPD Study type: Interventional: Intervention: telehealth OR telemedicine OR telemanagement OR telecare OR telematic OR telepharmacy OR telenursing OR telehomecare OR teleconsultation OR telemonitoring OR remote OR distant OR mobile OR digital OR mhealth OR ehealth OR internet OR web OR online OR video OR skype OR text OR SMS OR email OR smartphone OR cellphone OR ipad OR social media OR smartwatch OR wearable	November 2018=132 November 2020=26
WHO ICTRP (https://www.who.int/clinical‐trials‐registry‐platform) Date of most recent search: 21 November 2018	Condition: COPD Intervention: telehealth OR telemedicine OR telemanagement OR telecare OR telematic OR telepharmacy OR telenursing OR telehomecare OR teleconsultation OR telemonitoring OR remote OR distant OR mobile OR digital OR mhealth OR ehealth OR internet OR web OR online OR video OR skype OR text OR SMS OR email OR smartphone OR cellphone OR ipad OR social media OR smartwatch OR wearable	November 2018=51 April 2020: not searched (inaccessible)