| Kaarel Krjutškov | University of Tartu |
| Shintaro Katayama | Karolinska Institutet, Sweden Folkhalsan Research Center, University of Helsinki |
| Shintaro Katayama | Karolinska Institutet, Sweden Folkhalsan Research Center, University of Helsinki |
| Juha Kere | Karolinska Institutet, Sweden Folkhalsan Research Center, University of Helsinki |