Global Metabolic Testing Market By Application [Metabolic disorders, Human performance testing, Dysmetabolic syndrome X, Critical care, Lifestyle diseases and others],By End user [ gyms, hospitals, laboratories, sports training centers and other], By Technology[VO2 max analysis, RMR analysis and body composition analysis], By Product[software, body composition analyzers, CPET systems, metabolic carts and ECGs/EKGs attachable to CPET systems]: Market Research Report 2021 Covid 19 Impact Outlook,