Study	Reason for exclusion
Braun 2015	Case report
Burki 2013	Not a primary study
Diniz 2016	Inappropriate index test (mobile phone used along with amplifying microscopic lens)
Jahan‐Tigh 2016	Inappropriate index test (telediagnosis of ex vivo pathology specimens)
Karargyris 2012	Inappropriate study population Inappropriate target condition
Lai 2015	Conference abstract No 2 × 2 data
Massone 2007	Small sample size (< 5 cases of melanoma as final diagnosis) Inappropriate index test (mobile phone used to capture dermoscopic images)
Ramlakhan 2011	Derivation study (results of the training and test sets not differentiated Table II)
Robson 2012	Inappropriate sample size
Varma 2011	Not a primary study (Editorial)
Von Braunmühl 2015	Duplicate or related publication (Maier 2015)
Wadhawan 2011	Derivation study
Yu 2011	Inappropriate study population No 2 × 2 data
Zouridakis 2015	Not a primary study (book chapter)