Authors: Katherine Bradbury; Miznah Al-Abbadey; Dawn Carnes; Borislav D Dimitrov; Susan Eardley; Carol Fawkes; Jo Foster; Maddy Greville-Harris; J Matthew Harvey; Janine Leach; George Lewith; Hugh MacPherson; Lisa Roberts; Laura Parry; Lucy Yardley; Felicity L Bishop Journal: BMJ Open Date: 2016-05-27 Impact factor: 2.692