**11. Acknowledgement**

The support of all the Chief Medical Directors of the hospitals that have so far collaborated is hereby acknowledged. Some of these were outstanding in their cooperation at various segments of this project. These were Akin Osibogun, Bello Kawuwa, Uriah Etawo, Dan Iya, Sulyman Kuranga, Abulhameed Dutse and Eugene Okpere. Other individuals whose supportive roles are worthy of mention are Jonathan Azubuike, Olugbenga Mokuolu and Peter Onyeri.
