1. JIN Climate and Sustainability, Laan Corpus den Hoorn 300, 9728 JT, Groningen, The Netherlands
2. Joint Research Centre (European Commission), Directorate Sustainable Resources / Bio Economy Unit (D1), Via Enrico Fermi, 2749, Ispra, VA 21027, Italy
3. Forest Carbon Working Group, FSC International, Bonn, Germany
4. Land Use & Forests, The Gold Standard Foundation, Cointrin, Switzerland