Copyright 2019 Wiley Periodicals, Inc., a Wiley Company. All rights reserved. No part of this publication may be reproduced in any form or by any means, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the publisher, or authorization through the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923: (978) 750-8400: fax (978) 750-4470.
All materials published, including but not limited to original research, clinical notes, editorials, reviews, reports, letters, and book reviews represent the opinions and views of the authors and do not reflect any official policy or medical opinion of the institutions with which the authors are affiliated or of the publisher unless this is clearly specified. Materials published herein are intended to further general scientific research, understanding, and discussion only and are not intended and should not be relied upon as recommending or promoting a specific method, diagnosis or treatment by physicians for any particular patient.
While the editors and publisher believe that the specifications and usage of equipment and devices as set forth herein are in accord with current recommendations and practice at the time of publication, they accept no legal responsibility for any errors or omissions, and make no warranty, express or implied, with respect to material contained herein. Publication of an advertisement or other discussions of products in this publication should not be construed as an endorsement of the products or the manufacturers’ claims. Readers are encouraged to contact the manufacturers with any questions about the features or limitations of the products mentioned.