“…With regard to the participants' specialty, eight studies involved GMP, 18,20,21,[23][24][25]33,41 six involved primary care physicians (PCP) 17,22,26,28,32,39 five included physicians, 27,34,35,38,41 two studies included family physicians, 19,30 one study entailed otorhinolaryngologists, 23 one study involved internists, 23 two studies included dermatologists, 23,36 and one study involved radiation oncologists. 29 Finally, 11 studies were conducted in the USA, 17,19,24,26,[29][30][31]34,35,37,39 five in Asia, 18,22,32,40,41 eight in Europe, 20,21,23,25,27,28,33,…”