STOCKHOLM, May 14, 2024 /PRNewswire/ — Calliditas Therapeutics AB (Nasdaq: CALT) (Nasdaq Stockholm: CALTX) (“Calliditas”) today announces that its partner Everest Medicines (HKEX: 1952.HK) (“Everest”) has launched Nefecon® in China. China, which is estimated to have up to 5 million…