Companion Diagnostics Market (By Technology: Immunohistochemistry (IHC), Polymerase Chain Reaction (PCR), In-situ Hybridization (ISH), Real-time PCR (RT-PCR), Gene Sequencing, Other Technologies; By Indication: Cardiovascular, Neurological Diseases, Cancer [Breast Cancer, Lung Cancer, Colorectal Cancer, Melanoma, Gastric Cancer], Infectious Diseases, Others) – Global Industry Analysis, Market Size, Opportunities and Forecast, 2020 - 2027