1 Nephrology Department, Centro Hospitalar e Universitário de Coimbra EPE, Coimbra, Portugal. Electronic address: analuisadcorreia@gmail.com.
2 Nephrology Department, Centro Hospitalar e Universitário de Coimbra EPE, Coimbra, Portugal.
3 Nephrology Department, Centro Hospitalar e Universitário de Coimbra EPE, Coimbra, Portugal; Nephrology Universitary Clinic, Universidade de Coimbra Faculdade de Medicina, Coimbra, Portugal.