Montagnese, M.
Pagliara, S.
Galimberti, G.
Dal Conte, S.
Ferrini, G.
van Loosdrecht, P. H. M.
Parmigiani, F.
Article History
Received: 6 June 2016
Accepted: 26 September 2016
First Online: 14 October 2016
Competing interests
: The authors declare no competing financial interests.