| article html file updated | 7 February 2020 08:03 CET | Update | https://www.mdpi.com/1420-3049/21/5/575 |
| article html file updated | 21 September 2019 16:20 CEST | Update | - |
| article html file updated | 5 May 2019 17:02 CEST | Update | - |
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| article html file updated | 17 September 2018 03:45 CEST | Update | - |
| article html file updated | 26 May 2016 13:35 CEST | Update | - |
| article html file updated | 30 April 2016 09:35 CEST | Original file | - |
| article xml uploaded. | 30 April 2016 09:34 CEST | Original file | https://www.mdpi.com/1420-3049/21/5/575/xml |
| article pdf uploaded. | 30 April 2016 09:34 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/5/575/pdf |
