Realization of part of clinical trial called: A Randomized Parallel-group, Placebo-controlled, Double-blind, Multi-center Dose Finding Phase II Trial Exploring the Pharmacodynamic Effects, Safety and Tolerability, and Pharmacokinetics of Four Dose Regimens of the Oral sGC Stimulator BAY1021189 Over 12 Weeks in Patients With Worsening Heart Failure With Reduced Ejection Fraction (HFrEF)