Retraction Note: Hybrid CNN-LSTM model with efficient hyperparameter tuning for prediction of Parkinson’s disease - Umesh Kumar Lilhore; Surjeet Dalal; Neetu Faujdar; Martin Margala; Prasun Chakrabarti; Tulika Chakrabarti; Sarita Simaiya; Pawan Kumar; Pugazhenthan Thangaraju; Hemasri Velmurugan (Scientific Reports)