1. Östra Varmvattnet 230, 922 67 Tavelsjö, Sweden
2. AgResearch Limited, Ruakura Research Centre, Food Assurance & Meat Quality Food and Biobased Products, 10 Bisley Road, Private Bag 3115, Hamilton 3214, New Zealand
3. University of Alaska Fairbanks, Reindeer Research Program, P.O. Box 757200, Fairbanks, AK 99775-7200, USA