| article html file updated | 6 February 2020 19:09 CET | Update | https://www.mdpi.com/1420-3049/20/6/9994 |
| article html file updated | 20 September 2019 22:04 CEST | Update | - |
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| article html file updated | 21 August 2015 12:48 CEST | Update | - |
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| article xml file uploaded | 16 July 2015 09:43 CEST | Original file | https://www.mdpi.com/1420-3049/20/6/9994/xml |
| article pdf uploaded. | 29 May 2015 10:27 CEST | Version of Record | https://www.mdpi.com/1420-3049/20/6/9994/pdf |
