| article html file updated | 30 August 2025 12:06 CEST | Update | https://www.mdpi.com/2075-4701/9/2/239 |
| article html file updated | 21 August 2025 20:30 CEST | Update | - |
| article html file updated | 11 February 2020 16:42 CET | Update | - |
| article html file updated | 15 October 2019 03:44 CEST | Update | - |
| article html file updated | 26 April 2019 15:26 CEST | Update | - |
| article html file updated | 12 April 2019 11:08 CEST | Update | - |
| article html file updated | 3 April 2019 22:10 CEST | Update | - |
| article html file updated | 1 March 2019 03:41 CET | Update | - |
| article html file updated | 20 February 2019 10:40 CET | Original file | - |
| article pdf uploaded. | 20 February 2019 10:38 CET | Updated version of record | https://www.mdpi.com/2075-4701/9/2/239/pdf |
| article xml uploaded. | 20 February 2019 10:38 CET | Update | https://www.mdpi.com/2075-4701/9/2/239/xml |
| article xml file uploaded | 20 February 2019 10:38 CET | Update | - |
| article pdf uploaded. | 17 February 2019 11:03 CET | Version of Record | https://www.mdpi.com/2075-4701/9/2/239/pdf-vor |
| article xml file uploaded | 17 February 2019 11:03 CET | Original file | - |
