Centre for Health Informatics, University of New South Wales, Sydney, New South Wales, Australia. vsintchenko@usyd.edu.au|Centre for Health Informatics, University of New South Wales, Sydney, New South Wales, Australia. vsintchenko@usyd.edu.au|Centre for Health Informatics, University of New South Wales, Sydney, New South Wales, Australia. vsintchenko@usyd.edu.au|Centre for Health Informatics, University of New South Wales, Sydney, New South Wales, Australia. vsintchenko@usyd.edu.au