1. Department of Preventive and Social MedicineUniversity of Otago Dunedin New Zealand
2. Department of MedicineUniversity of Otago, Wellington (UOW) Wellington New Zealand
3. Tu Kotahi Māori Asthma Trust Wellington New Zealand
4. Centre for Pacific Health, Va'a o Tautai, Health Science Divisional Office, Health Sciences DivisionUniversity of Otago Dunedin New Zealand