Study	Reason for exclusion
Al‐Haggar 2006	Neither changes in anxiety nor in depression were measured during this trial
Alemi 2014	Not e‐health intervention
Berndt 2014	Neither changes in anxiety nor in depression were measured during this trial
Blocher 2013	Wrong trial design
Fernandes 2015	Changes in neither anxiety nor depression were measured during this trial
Hanberger 2013	Changes in neither anxiety nor depression were measured during this trial
Holden 1999	Wrong trial design
Holden 2002	Wrong trial design
Ketchen 2006	Wrong trial design
Kotses 1991	No e‐health intervention included
Li 2011	Wrong trial design
Liu 2001	No e‐health intervention included
Miller 2012	Not an individual trial report
Newton 2013	Changes in neither anxiety nor depression were measured during this trial
Nijhof 2011	Changes in neither anxiety nor depression were measured during this trial
O'Hea 2013	Wrong trial population
Pham 2016	Wrong trial population
Piaserico 2016	No e‐health intervention included
Reigada 2013	Wrong trial design
Sansom‐Daly 2012	No e‐health intervention included
Seitz 2014	Wrong trial design
Stinson 2010	Neither changes in anxiety nor in depression were measured during this trial
Tung 2015	Wrong trial design
Yetwin 2012	No e‐health intervention included
Zinchenko 2014	No e‐health intervention included