1. Laboratory of Forestry, Department of Forest and Water Management, Ghent University, Geraardsbergsesteenweg 267, BE‐9090 Gontrode‐Melle, Belgium
2. E‐mail
3. Laboratory of Wood Technology, Department of Forest and Water Management, Ghent University, Coupure Links 653, BE‐9000 Gent, Belgium
4. Royal Museum for Central Africa (RMCA), Leuvensesteenweg 13, BE‐3080 Tervuren, Belgium