1. Headache Unit, Neurology Division, Internal Medicine Department, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil
2. Health Sciences Experimental Laboratory, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil,
3. Paediatric Endocrine Unit, Paediatric Department, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil