1. Department of Agriculture and Food Sciences, University of Bologna, Bologna, Italy
2. Department of Biotechnology, University of Verona, Verona, Italy
3. Yakult Europe Science Department, Almere, The Netherlands
4. School of Life Sciences, Handong Global University, Pohang, Gyeongbuk 791-798, Republic of Korea
5. Department of Microbiology and Biotechnology, Max Rubner-Institut, Federal Research Institute for Nutrition and Food, Kiel, Germany