Developed in 2004. The NMS Scale (NMSS) was simultaneously developed for clinicians.
Chaudhuri KR; International Parkinson’s Disease Non-Motor Symptom Scale Development Group
Chaudhuri KR, Schapira AHV, Martinez-Martin P, et al. Can We Improve The Holistic Assessment of Parkinson’s Disease? The development of a non-motor symptom questionnaire and scale for Parkinson’s disease. ACNR 2004 Sep/Oct; 4(4):20-25 (Full Text Article)
Chaudhuri KR, Yates L, Martinez-Martin P. The non-motor symptom complex of Parkinson's disease: a comprehensive assessment is essential. Curr Neurol Neurosci Rep. 2005 Jul;5(4):275-83 (PubMed Abstract)
Chaudhuri KR, Martinez-Martin P, Schapira AH, et al. International multicenter pilot study of the first comprehensive self-completed nonmotor symptoms questionnaire for Parkinson's disease: the NMSQuest study. Mov Disord. 2006 Jul;21(7):916-23 (Full Text Article)
Romenets SR, Wolfson C, Galatas C, et al. Validation of the non-motor symptoms questionnaire (NMS-Quest). Parkinsonism Relat Disord. 2012 Jan;18(1):54-8 (PubMed Abstract)