Yan, Le-Ping
Silva-Correia, Joana
Ribeiro, Viviana P.
Miranda-Gonçalves, Vera
Correia, Cristina
da Silva Morais, Alain
Sousa, Rui A.
Reis, Rui M.
Oliveira, Ana L.
Oliveira, Joaquim M.
Reis, Rui L.
Article History
Received: 22 January 2016
Accepted: 13 July 2016
First Online: 3 August 2016
Competing interests
: The authors declare no competing financial interests.