1. Plant Production Systems Group, Wageningen University and Research, Wageningen, Netherlands
2. Knowledge, Technology and Innovation, Wageningen University and Research, Wageningen, Netherlands
3. International Institute of Tropical Agriculture (IITA), Yaounde, Cameroon
4. INNOVATION, Univ Montpellier, CIRAD, INRAE, Montpellier SupAgro, Montpellier, France
5. CIRAD, UMR INNOVATION, Yaoundé, Cameroon
6. CSIR-STEPRI, Accra, Ghana