- Correspondence to Professor Lars-Olof Wahlund, Section for Clinical Geriatrics, Department of NVS, Karolinska Institutet, Hälsovägen 7, Novum floor 5, Stockholm S-14186, Sweden;
- Received July 26, 2015
- Revised August 18, 2015
- Accepted August 28, 2015
- First published September 10, 2015.
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