| article html file updated | 7 February 2020 11:40 CET | Update | https://www.mdpi.com/1420-3049/21/7/913 |
| article html file updated | 21 September 2019 20:57 CEST | Update | - |
| article html file updated | 5 May 2019 10:11 CEST | Update | - |
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| article html file updated | 28 July 2016 10:24 CEST | Update | - |
| article html file updated | 14 July 2016 09:42 CEST | Original file | - |
| article xml uploaded. | 14 July 2016 09:40 CEST | Original file | https://www.mdpi.com/1420-3049/21/7/913/xml |
| article pdf uploaded. | 14 July 2016 09:40 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/7/913/pdf |
