. 2015 Jun 5;3(2):e65. doi: 10.2196/mhealth.3808
©Dominic King, Sameer Zaman, Saman Sara Zaman, Gurnaaz Kaur Kahlon, Aditi Naik, Amar Singh Jessel, Niraj Nanavati, Akash Shah, Benita Cox, Ara Darzi. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 05.06.2015.
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Figure 1.
Age spread of questionnaire respondents compared with 2001 United Kingdom census respondents.