| article html file updated | 9 February 2020 04:19 CET | Update | https://www.mdpi.com/1420-3049/23/2/234 |
| article html file updated | 30 September 2019 05:17 CEST | Update | - |
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| article html file updated | 25 January 2018 10:13 CET | Original file | - |
| article xml uploaded. | 25 January 2018 10:12 CET | Original file | https://www.mdpi.com/1420-3049/23/2/234/xml |
| article pdf uploaded. | 25 January 2018 10:12 CET | Version of Record | https://www.mdpi.com/1420-3049/23/2/234/pdf |