Update README.md

README.md

 # Parallel transmission medical implant safety testbed
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 ![pTx safety testbed](/testbed_photo.png "Testbed photo")
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 ## Description
 
 A modular, flexible, open-source hardware configuration for parallel transmission (pTx) experiments on RF and medical implant safety. The hardware comprises a home-built 8-channel pTx system (scalable to 32-channels), wideband power amplifiers and a positioning system with submillimeter precision.
 
 ## Specifications 
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 - 8-channel transmit RF chain 21-300 MHz (scalable to 32-channels)
 - 4-channel receiver (scalable to 32-channels)
 - Broadband power amplifiers, 20W continuous wave (20-1000 MHz)
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 ## Contacts
 
-Name | Email | Institution | Applications
------|-----|-----|-----|
-Berk Silemek | berk.silemek@ptb.de | Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany | implant safety
-Frank Seifert | frank.seifert@ptb.de | Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany | pTx and implant safety
-Lukas Winter | lukas.winter@ptb.de | Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany | pTx and implant safety, open source hardware distribution
+| Name          | Email                | Institution                                                  | Applications                                              |
+| ------------  | -----                | -----------                                                  | ------------                                              |
+| Berk Silemek  | berk.silemek@ptb.de  | Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany | implant safety                                            |
+| Frank Seifert | frank.seifert@ptb.de | Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany | pTx and implant safety                                    |
+| Lukas Winter  | lukas.winter@ptb.de  | Physikalisch-Technische Bundesanstalt (PTB), Berlin, Germany | pTx and implant safety, open source hardware distribution |
 
 ## Contributors (alphabetical order)
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 Werner Hoffmann, Bernd Ittermann, Reiner Montag, Johannes Petzold, Harald Pfeiffer, Reiner Seemann, Frank Seifert, Berk Silemek, Lukas Winter
 
 ## Publications
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 If you find this useful in your work, please cite:
 
 [Winter L, Silemek B, Petzold J, et al. Parallel transmission medical implant safety testbed: Real-time mitigation of RF induced tip heating using time-domain E-field sensors. Magnetic Resonance in Medicine 2020;84:3468–3484 doi: 10.1002/mrm.28379.](https://onlinelibrary.wiley.com/doi/full/10.1002/mrm.28379)
 
 ## Acknowledgments
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 This work was funded by the EMPIR grant 17IND01 MIMAS. The EMPIR initiative is co-funded by the European Union's Horizon 2020 research and innovation program and the EMPIR participating states.
 
 This work has received funding from the European Partnership on Metrology, co-financed by the European Union’s Horizon Europe Research and Innovation Programme and by the Participating States, under grant number 21NRM05 STASIS.
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 This work is supported by the Open Source Imaging Initiative (OSI²), https://www.opensourceimaging.org/ (we can post here later the link, when we upload it to OSI)
 
 ## License and Liability
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 Please check the DISCLAIMER.pdf