Evaluation of the Physiological Stability Variability and Robustness of NIS4

"Whenever possible, samples will be collected by the nurse in the patient's home, according to the study visit schedule. However, if this is not possible, patients will be asked to come in for sample collection at another mutually convenient time at the CERBA ALLIANCE LABORATORY closest to the patient's address.~Venous blood will be drawn on each visit."