Author(s): Jacob AG, Etong DI and Tijjani A
Author(s): Marwa Ismail Abdelgawad, Ebtessam Elgezawy, Samy Elgizawy, Mohamed Zaineldeen, Hanan Sharaf El-deen Mohammed
Author(s): Hundal JS, Wadhwa M and Bakshi MPS
Author(s): María Genma Pérez Paredes, Alicia Pérez Bustillo, Beatriz González Sixto, Manuel Ángel and Rodríguez Prieto
Author(s): Waseem Raja Dar, Muzamil Latief, Najeebullah Sofi, Imtiyaz Dar, Pervez Sofi and Khalid Hamid Changal
Author(s): Noorbhai MH and Gabriels G
Author(s): Onuegbu NC, Nwuka MU, Ojukwu M* and Kabu NO
Author(s): Vincent van Ginneken, Evert de Vries, Tim Wijgerde