| article html file updated | 9 February 2020 07:31 CET | Update | https://www.mdpi.com/1420-3049/23/2/508 |
| article html file updated | 1 October 2019 00:29 CEST | Update | - |
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| article html file updated | 24 February 2018 12:07 CET | Original file | - |
| article xml uploaded. | 24 February 2018 12:06 CET | Original file | https://www.mdpi.com/1420-3049/23/2/508/xml |
| article pdf uploaded. | 24 February 2018 12:06 CET | Version of Record | https://www.mdpi.com/1420-3049/23/2/508/pdf |