Valcu, Cristina-Maria
Scheltema, Richard A. http://orcid.org/0000-0002-1668-0253
Schweiggert, Ralf M.
Valcu, Mihai
Teltscher, Kim
Walther, Dirk M.
Carle, Reinhold
Kempenaers, Bart http://orcid.org/0000-0002-7505-5458
Article History
Received: 19 June 2018
Accepted: 2 December 2018
First Online: 4 January 2019
Competing interests
: During the study, one of the authors (R.M.S.) left the University of Hohenheim to take up a position at a manufacturer of carotenoid supplements (DSM Nutritional Products, Kaiseraugst, Switzerland). The remaining authors declare no competing interests.