1. Department of Medical Biochemistry and Biophysics, Karolinska Institute, Scheeles väg 2, SE-17177 Stockholm, Sweden.
2. Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Nobels väg 16, SE-17177 Stockholm, Sweden.
3. School of Biological Sciences, Nanyang Technological University, 61 Nanyang Drive, Singapore 639798, Singapore.
4. Department of Medicine and Health Sciences, Linköping University, 581 83 Linköping, Sweden.