| article html file updated | 6 February 2020 19:03 CET | Update | https://www.mdpi.com/1420-3049/20/6/9803 |
| article html file updated | 20 September 2019 21:57 CEST | Update | - |
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| article html file updated | 21 August 2015 12:40 CEST | Update | - |
| article html file updated | 9 July 2015 06:46 CEST | Original file | - |
| article xml file uploaded | 9 July 2015 06:46 CEST | Original file | https://www.mdpi.com/1420-3049/20/6/9803/xml |
| article pdf uploaded. | 27 May 2015 11:32 CEST | Version of Record | https://www.mdpi.com/1420-3049/20/6/9803/pdf |
