1. Umeå Neurosteroid Research Center, Department of Clinical Sciences, Umeå University, SE-901 85 Umeå, Sweden
2. Department of Integrative Medical Biology, Umeå University, SE-901 87 Umeå, Sweden
3. Umecrine Cognition AB, SE-171 65 Solna, Sweden
4. Department of Nursing Sciences, Mid Sweden University, AE-851 70 Sundsvall, Sweden