Here is the CMT Uptime check phrase
PUBLICATIONS

Using the Web to Collect Data on Sensitive Behaviours: A Study Looking at Mode Effects on the British National Survey of Sexual Attitudes and Lifestyles

Conrad, Frederick G; Burkill, Sarah; Copas, Andrew; Clifton, Soazig; Prah, Philip; Datta, Jessica; Wellings, Kaye; Johnson, Anne M; Erens, Bob. (2016). Using the Web to Collect Data on Sensitive Behaviours: A Study Looking at Mode Effects on the British National Survey of Sexual Attitudes and Lifestyles. Plos One. 11, e0147983.