[1
]
Health Education Yorkshire and the Humber, University of Leeds, Willow Terrace Road,
Leeds LS2 9JT, UK.
[2
]
District Health Management Team, Primary Health Care, Moyamba, Moyamba, Sierra Leone.
[3
]
District Health Management Team, Primary Health Care, Kabala, Koinadugu, Sierra Leone.
[4
]
Doctors of the World (UK), 34th Floor, One Canada Square, London E14 5AA, UK.
[5
]
Medicos del Mundo, Conde de Vilches 15, 28028 Madrid, Spain.
[6
]
Bradford Institute for Health Research, Bradford Royal Infirmary, Temple Bank House,
Duckworth Lane, Bradford BD9 6RJ, UK.