Cell and Gene Therapy Market Size, Share, Growth, and Industry Analysis, By Type (Oncology, Rare Diseases, Neurology, Regenerative Medicine, Clinical Trials), By Application (Novartis (Switzerland), Gilead Sciences (USA), Roche (Switzerland), Pfizer (USA), Merck & Co. (USA), Bristol - Myers Squibb (USA), Johnson & Johnson (USA), Celgene (now part of Bristol - Myers Squibb, USA), Bluebird Bio (USA), Kite Pharma (now part of Gilead Sciences, USA)), Regional Insights and Forecast From 2026 To 2035