1 <institution content-type="university">Department of General Practice and Rural Health</institution>, <institution content-type="university">Dunedin School of Medicine</institution>, <institution content-type="university">University of Otago</institution>, <addr-line>PO Box 56</addr-line>, <city>Dunedin</city> <postal-code>9054</postal-code>, <country>New Zealand</country>.
2 <institution content-type="university">Department of General Practice & Primary Health Care</institution>, <institution content-type="university">University of Auckland</institution>, <city>Auckland</city>, <country>New Zealand</country>.