| article html file updated | 23 October 2025 06:38 CEST | Update | https://www.mdpi.com/2076-2615/9/2/56 |
| article html file updated | 11 February 2020 15:27 CET | Update | - |
| article html file updated | 14 October 2019 20:51 CEST | Update | - |
| article html file updated | 26 April 2019 17:54 CEST | Update | - |
| article html file updated | 12 April 2019 13:51 CEST | Update | - |
| article html file updated | 3 April 2019 19:06 CEST | Update | - |
| article html file updated | 1 March 2019 21:29 CET | Update | - |
| article html file updated | 28 February 2019 21:53 CET | Update | - |
| article html file updated | 18 February 2019 12:24 CET | Original file | - |
| article pdf uploaded. | 18 February 2019 12:23 CET | Updated version of record | https://www.mdpi.com/2076-2615/9/2/56/pdf |
| article xml uploaded. | 18 February 2019 12:23 CET | Update | https://www.mdpi.com/2076-2615/9/2/56/xml |
| article xml file uploaded | 18 February 2019 12:23 CET | Update | - |
| article pdf uploaded. | 12 February 2019 16:26 CET | Version of Record | https://www.mdpi.com/2076-2615/9/2/56/pdf-vor |
| article xml file uploaded | 12 February 2019 16:26 CET | Original file | - |
