Affiliation: | 1. Department of Neurosurgery, Affiliated Hospital of Qingdao University, Qingdao, China;2. School of Clinical Medicine, Guizhou Medical University, Guiyang, China;3. School of Basic Medicine, Guizhou Medical University, Guiyang, China;4. Department of Oncology, Changle County People''s Hospital, Weifang, China;1. Rwanda Institute for Conservation Agriculture, Gashora, Bugesera, Rwanda;2. Department of Agricultural Economics and Agribusiness, Sokoine University of Agriculture, P.O. Box 67104, Morogoro, Tanzania;3. International Institute for Tropical Agriculture (IITA), P.O. Box 34444, Dar es salaam, Tanzania |