| article html file updated | 9 February 2020 02:35 CET | Update | https://www.mdpi.com/1420-3049/23/1/137 |
| article html file updated | 29 September 2019 19:27 CEST | Update | - |
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| article html file updated | 8 February 2018 11:41 CET | Update | - |
| article html file updated | 1 February 2018 13:24 CET | Update | - |
| article html file updated | 10 January 2018 15:04 CET | Original file | - |
| article xml uploaded. | 10 January 2018 15:03 CET | Original file | https://www.mdpi.com/1420-3049/23/1/137/xml |
| article pdf uploaded. | 10 January 2018 15:03 CET | Version of Record | https://www.mdpi.com/1420-3049/23/1/137/pdf |
