We have published evidence and reports in several forums, collected here for easy reference:
Society for Academic Primary Care SAPC, Oxford, July 2015
European Forum for Primary Care EFPC, Amsterdam, September 2015
RCGP conference, Glasgow, October 2015
The Digital Patient Nuffield Trust November 2016 pp 18-20
Primary Care today and tomorrow Deloitte November 2016 pp 9,21
See also the long term evidence base from US and UK publications on computer-patient interviewing.