GL-0719 - A Phase 1, Double-blind, Placebo-controlled, Single Ascending Intravenous and Subcutaneous Injection Dose, Safety, Tolerability, Pharmacokinetic, and Pharmacodynamic Study in Healthy Male and Female Subjects and an Open-label Evaluation of Safety, Tolerability, Pharmacokinetics, and Pilot Efficacy Biomarkers in Subjects With Cold Agglutinin Disease