1. Department
of Chemistry, Umeå University, SE-901 87 Umeå, Sweden
2. Department
of Applied Environmental Science (ITM), Stockholm University, SE-106
91 Stockholm, Sweden
3. ÅF
AB, Umestan Företagspark, SE-903 47 Umeå, Sweden
4. Forest
Biomaterials and Technology, Swedish University of Agricultural Sciences (SLU), SE-901 83 Umeå, Sweden
5. Department
of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences (SLU), SE-750 07, Uppsala, Sweden