- Correspondence to Professor Ceu Figueiredo, Ipatimup - Institute of Molecular Pathology and Immunology of the University of Porto, Rua Júlio Amaral de Carvalho 45, 4200-135 Porto, Portugal;
- Received 24 March 2017
- Revised 25 October 2017
- Accepted 26 October 2017
- Published online 8 January 2018.
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