Primary Parkinsonian Pain Diagnostic Questionnaire: Development and Validation of This Questionnaire

"Visit 1 : - The patient will have to complete the 3PDQ self-questionnaire. - The investigator will conduct an interrogation and a neurological examination in order to ask or not the diagnosis of parkinsonian primary pain, without knowing the result of the 3PDQ.~Visit 2 : - The patient will have to complete the 3PDQ self-questionnaire.~\- An investigator, obligatorily different from the investigator of the visit 1, will conduct to the same interrogation and the same neurological examination in order to ask or not the diagnosis of parkinsonian primary pain, without knowing the result of the 3PDQ.~Visits 1 and 2 can be made on the same day. In this case the patient will fill the 3PDQ self questionnaire only once."