Erratum: Kinematics of dwarf galaxies in gas-rich groups, and the survival and detectability of tidal dwarf galaxies. Issue 4 (13th January 2016) - Sweet, Sarah M.; Drinkwater, Michael J.; Meurer, Gerhardt; Kilborn, Virginia; Audcent-Ross, Fiona; Baumgardt, Holger; Bekki, Kenji