1. KTH Royal Institute of Technology, School of Biotechnology, AlbaNova University Center, SE-106 91 Stockholm, Sweden
2. SP Technical Research Institute of Technology, SP Chemistry, Materials and Surfaces, Drottning Kristinas väg 45, SE-114 86 Stockholm, Sweden
3. SP Technical Research Institute of Technology, SP Food and Bioscience, Soft Materials Science, Box 5401, SE-402 29 Gothenburg, Sweden