1 Academic Unit of General Practice, Australian National University Medical School, Canberra Hospital Campus, Garran, ACT, 2604, Australia elizabeth.sturgiss@anu.edu.au.
2 New York University School of Medicine, New York, USA.
3 Department of Family Medicine, University of Alberta, Edmonton, Canada.
4 Radboud University, Nijmegen, Netherlands.
5 Australian National University, Acton, Australia.