RT Journal Article SR Electronic T1 An evidence-based approach to an ancient pursuit: systematic review on converting online contact into a first date JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 48 OP 56 DO 10.1136/ebmed-2014-110101 VO 20 IS 2 A1 Khan, Khalid S A1 Chaudhry, Sameer YR 2015 UL http://ebm.bmj.com/content/20/2/48.abstract AB