Report Customization Global Celiac Disease Market Size, Share & Trends Analysis Report by Treatment Type (Vitamins and Dietary (Gluten-Free) Supplements, Steroids and Immunosuppressive Drugs, and Therapeutic Vaccines), By Diagnostic Type (Serologic Test, Genetic Testing, and Small-Bowel Biopsy) By End-User (Hospitals and Diagnostics Centers, and Research Institutes) Forecast, 2021-2027