public ResponseEntity<UserSessions> getSessions(final HttpServletRequest request, //
			final HttpServletResponse response, //
			@RequestParam(name = "q", required = false) final String q, //
			@RequestParam(name = "sort", required = false) final String sort, //
			@RequestParam(name = "start", required = false) final Integer start, //
			@RequestParam(name = "limit", required = false) final Integer limit, //
			@RequestParam(name = "expand", required = false) final String expand //
	) throws ServiceException {

		return wrapAuthenticated(request, response, authService, (correlationId, user) -> {

			final UserSessionsQuery query = authService.validateUserSessionsQuery(correlationId, user, q, sort, start,