Current and future use of point-of-care tests in primary care: an international survey in Australia, Belgium, The Netherlands, the UK and the USA by Howick, J, Cals, J, Jones, C, Price, C, Plüddemann, A, Heneghan, C, Berger, M, Buntinx, F, Hickner, J, Pace, W, Badrick, T, Van Den Bruel, A, Laurence, C, Van Weert, H, Van Severen, E, Parrella, A, Thompson, M