LXNet: A lightweight CNN for lung disease classification from Chest X-ray with XAI-based interpretability - Juiria Humayan; Md. Najmus Sakib Nahid; Amir Sohel; Md Alamgir Kabir; Md Shakhawat Hossain; Zahid Ullah; Mona Jamjoom (PLoS ONE, 2026)