1. Injury Prevention Research Unit, Department of Preventive and Social Medicine; University of Otago; New Zealand
2. Te Roopū Rakahau Hauora Māori a Kāi Tahu (Ngāi Tahu Māori Health Research Unit), Department of Preventive and Social Medicine; University of Otago; New Zealand
3. School of Health and Social Services, College of Health; Massey University; New Zealand