#1	MeSH descriptor Electronic Mail, this term only
#2	(electronic‐mail* or email* or e‐mail* or web‐mail* or webmail* or internet‐mail* or mailing‐list or discussion‐list or listserv*):ti,ab,kw
#3	(patient or health or information or web or Internet) next portal
#4	patient next (web or Internet)
#5	(web* or Internet or www or electronic* or online or on‐line) near (messag* or communicat* or transmi* or transfer* or send* or deliver* or feedback or letter or interactiv* or input* or forum or appointment or booking or schedul* or remind* or referral or consult* or prescri*)
#6	(online or on‐line or web* or Internet) near (service or intervention or therap* or treatment or counsel*)
#7	e‐communication or e‐consult* or e‐visit or e‐referral or e‐booking or e‐prescri*
#8	MeSH descriptor Computer Communication Networks, this term only
#9	(#8), from 1996 to 2002
#10	(#1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #9)
#11	MeSH descriptor Physician‐Patient Relations, this term only
#12	MeSH descriptor Professional‐Patient Relations, this term only
#13	MeSH descriptor Interprofessional Relations, this term only
#14	"doctor patient relation":kw
#15	"interpersonal communication":kw
#16	"human relation":kw
#17	"patient counseling":kw
#18	MeSH descriptor Telemedicine explode all trees
#19	telehealth or telemedicine or teleconsultation or telecommunication
#20	diagnostic‐test or laboratory‐test
#21	(#11 OR #12 OR #13 OR #14 OR #15 OR #16 OR #17 OR #18 OR #19 OR #20)
#22	Internet:kw,ti
#23	(#21 AND #22)
#24	(#10 OR #23)
#25	(#24)…………….[in Clinical Trials]