Willing and able to provide written informed consent and accept study procedures and time schedule.
Age = 18 years.
Patients suffering from chronic heart failure (the heart failure diagnosis must have been made or confirmed by a cardiologist and/or hospital physician at any time in the patient's medical history).
Patients with reduced ejection fraction (= 40%) as confirmed at any time point in the patient's medical history.

NCT02807857_inc_T2
Person
Age
NCT02807857_inc_T3
Value
= 18 years
NCT02807857_inc_T4
Condition
chronic heart failure
NCT02807857_inc_T5
Measurement
ejection fraction
NCT02807857_inc_T6
Value
= 40%