1 <institution content-type="university">North End Medical Centre, Hammersmith and Fulham Partnership</institution>, <city>London</city>, <country>UK</country>; and <institution content-type="university">Research and Development Unit, Hammersmith and Fulham Primary Care Network</institution>, <city>London</city>, <country>UK</country>; and <institution content-type="university">Faculty of Medicine, Imperial College</institution>, <city>London</city>, <country>UK</country>.
2 <institution content-type="university">North End Medical Centre, Hammersmith and Fulham Partnership</institution>, <city>London</city>, <country>UK</country>.