1 Division of Endocrinology, Diabetes and Metabolism, Centro Hospitalar e Universitário do Porto, Largo do Prof. Abel Salazar, Porto 4099-001, Portugal. Electronic address: miguelsaraiva.md@gmail.com.
2 Division of Endocrinology, Diabetes and Metabolism, Centro Hospitalar e Universitário do Porto, Largo do Prof. Abel Salazar, Porto 4099-001, Portugal.