According to § 5 TMG 

Dr. Ralf Kleef Hyperthermia
Auhofstraße 1-3
1130 Vienna, Austria
register number: 365288p Commercial register court: Commercial court Vienna

Represented by the shareholders:
Dr. Ralf Kleef


Tel +43/1/585 73 11
Fax +43/1/585 73 11 – 20

General medicine, immunology and naturopathy

Dr. Ralf Kleef Hyperthermia
Auhofstrasse 1-3
1130 Vienna

Telephone: +43.1.585 73 11
Fax: +43.1.585 73 11-20

Job title : Doctor (awarded in Austria)

Responsible medical association:

Medical Association Vienna (

Responsible Association of Statutory Health Insurance Physicians:

Vienna (

Professional regulations:

The professional regulations can be obtained or viewed at the responsible medical association (

Editor in charge:

Dr. Ralf Kleef

Tax ID 

Sales tax identification number according to §27 a sales tax law: ATU47790804

Dispute settlement 

The European Commission provides a platform for online dispute resolution (OS): httpss: // You can find our email address in the legal notice above.

We are neither willing nor obliged to participate in dispute settlement proceedings before a consumer arbitration board.

Liability for content 

As a service provider, we are responsible for our own content on these pages in accordance with general law in accordance with Section 7 (1) of the German Telemedia Act (TMG). According to §§ 8 to 10 TMG, as a service provider, we are not obliged to monitor transmitted or stored third-party information or to research circumstances that indicate illegal activity.

Obligations to remove or block the use of information according to general laws remain unaffected. However, liability in this regard is only possible from the point in time at which we become aware of a specific legal violation. As soon as we become aware of such legal violations, we will remove this content immediately.

Liability for links 

Our offer contains links to external third-party websites, over whose content we have no influence. Therefore, we cannot accept any liability for this third-party content. The respective provider or operator of the pages is always responsible for the content of the linked pages. The linked pages were checked for possible legal violations at the time they were linked. No illegal content was found at the time the link was created.

A permanent control of the content of the linked pages is not reasonable without concrete evidence of a violation of the law. As soon as we become aware of legal violations, we will remove such links immediately.


The content and works on these pages created by the website operator are subject to German copyright law. The duplication, processing, distribution and any kind of exploitation outside the limits of copyright law require the written consent of the respective author or creator. Downloads and copies of this website are only permitted for private, non-commercial use.

Insofar as the content on this site was not created by the operator, the copyrights of third parties are observed. If you should nevertheless become aware of a copyright infringement, we would ask you to notify us accordingly. If we become aware of legal violations, we will remove such content immediately.

Icons made by Freepik from is licensed by CC 3.0 BY

Icons made by Smashicons from is licensed by CC 3.0 BY

Pictures by Pexels

Pictures by Pixabay

Pictures by Theme Content (license below)

Pictures by: Joe Haider, Gyula Berke, Mag.Veronika Csuport, Alexander Divos
Video by: Gyula Berke, Prof. med. Hans Bojar, Kurt Langbein, Dr. Diana Wright
https : //
https: //www.canva. com



Licensee: Dr. Ralf Kleef hyperthermia

Item ID: 23063754 – Medical Laboratory & Research

Item Purchase Code: cf4b0a65-e3ac-4a7f-8731 – ************

Purchase Date: 2020-03-11 19:52:15 UTC