1. Sporometrics; Toronto Ontario Canada
2. Laboratoire de Biologie et Amélioration des Productions Végatales; University of Nangui Abrogoua; Abidjan Côte d'Ivoire
3. Génétique et Amélioration des Plantes; National Centre of Agronomic Research; Abidjan Côte d'Ivoire
4. Council for Scientific and Industrial Research; Oil Palm Research Institute (CSIR - OPRI), Coconut Research Programme; Sekondi Ghana
5. CIRAD, UMR PVBMT; Saint-Pierre France
6. Department of Agricultural Sciences, Plant Pathology; Alma Mater Studiorum - University of Bologna; Bologna Italy
7. Dalla Lana School of Public Health; University of Toronto; Toronto Ontario Canada