Erratum: Relationship between surface free energy and development process (swelling and dissolution kinetics) of poly(4-hydroxystyrene) film in water and 2.38 wt% tetramethylammonium hydroxide aqueous solution (Jpn. J. Appl. Phys. (2022) 61 (016502) DOI: 10.35848/1347-4065/ac3d42)