Model v0.39: executable model and registers

Executable decision-analytic cost-effectiveness model, version 0.39, comparing a triplex antenatal rapid diagnostic test for HIV, hepatitis B and syphilis against standard antenatal screening in Uganda. Contains the complete workbook (26 sheets, 180,861 formula cells) and CSV exports of the documentary sheets: parameter register, sourcing ledger, check register, sign harness, deviations log and adviser determinations. SHA-256 of the workbook: c07d49522872d1b60c440093a9b7131667dc098398287ac1bdad42a3821ee65b. See README for structure, run instructions and known limitations of this version.