Evaluating the readability, quality, and reliability of responses generated by ChatGPT, Gemini, and Perplexity on the most commonly asked questions about Ankylosing spondylitis - Mete Kara; Erkan Ozduran; Müge Mercan Kara; İlhan Celil Özbek and Volkan Hancı (PLoS ONE, 2025)