| article html file updated | 30 August 2025 12:51 CEST | Update | https://www.mdpi.com/2073-4344/9/3/251 |
| article html file updated | 19 July 2022 16:11 CEST | Update | - |
| article html file updated | 11 February 2020 21:21 CET | Update | - |
| article html file updated | 16 October 2019 09:29 CEST | Update | - |
| article html file updated | 26 April 2019 05:00 CEST | Update | - |
| article html file updated | 12 April 2019 00:09 CEST | Update | - |
| article html file updated | 4 April 2019 11:00 CEST | Update | - |
| article html file updated | 3 April 2019 06:07 CEST | Update | - |
| article html file updated | 11 March 2019 10:36 CET | Original file | - |
| article pdf uploaded. | 11 March 2019 10:35 CET | Version of Record | https://www.mdpi.com/2073-4344/9/3/251/pdf |
| article xml uploaded. | 11 March 2019 10:35 CET | Update | https://www.mdpi.com/2073-4344/9/3/251/xml |
| article xml file uploaded | 11 March 2019 10:35 CET | Original file | - |