f-tree software has been mutually developed by the Iwate Tohoku Medical Megabank Organization, Iwate Medical University and Holonic Systems Ltd. http://iwate-megabank.org/en/genetic/ We first developed a desktop version that runs on windows and macos, and based on this we developed an iOS version. The ios version basically has the same functions as the desktop version. By installing this application, you are deemed to have agreed to the following terms. I agree to the following terms regarding the use of the family tree preparation software (f-tree) (hereafter referred to as “the Software”) that are released by the Iwate Tohoku Medical Megabank Organization, Iwate Medical University (hereafter referred to as “the Organization”). ・In principle,the Software shall be provided free of charge. ・It shall be verified that the computer used for operation complies with the usage conditions and validation required by the Software. ・The user shall bear complete responsibility for installing and using the Software. The Organization confirms that it will not bear liability for any or all the problems that the user might experience while installing or using the Software. The Organization also confirms that it will not bear liability for any dispute between the user and the third party (including but not limited to a dispute concerning copyright or other issue related to intellectual property right). ・If the Software is used to prepare a presentation for an academic organization, a published article, a book, or an entry in a company's pamphlet, the user shall provide the URL that is used to distribute the Software and an acknowledgement for its use. ・All the rights, such as copyright to the Software and copies of the Software, shall solely belong to the Organization. ・The Software shall not be used for any other purpose and shall not be distributed to a third party. ・The Software shall not be entirely or partly revised, modified, reverse engineered, compiled, or assembled. ・None of the part of the Software shall be copied, corrected, loaned, sold, distributed, or transferred. Additionally, copying without authorization is completely prohibited. ・The Software shall not be used for any commercial activity (rental, pseudo-rental, or sales to a third party). ・It must be confirmed that when the user is authorized to use the Software, this neither explicitly nor implicitly grants the user a guarantee of any kind. ・It shall be confirmed that the Software might be improved or modified without any prior notification. Please contact the following email address every time when researching,making a conference presentation, and presenting a paper with the software. [email protected] Also, please quote the following literature when using the software for an academic paper. Tokutomi T, Fukushima A, Yamamoto K, Bansho Y, Hachiya T, Shimizu A. BMC Med Genet. 2017;18:71. https://bmcmedgenet.biomedcentral.com/articles/10.1186/s12881-017-0433-4