| article html file updated | 30 August 2025 11:30 CEST | Update | https://www.mdpi.com/2225-1154/7/2/20 |
| article html file updated | 20 July 2022 17:06 CEST | Update | - |
| article html file updated | 11 February 2020 11:44 CET | Update | - |
| article html file updated | 13 October 2019 23:50 CEST | Update | - |
| article html file updated | 27 April 2019 01:03 CEST | Update | - |
| article html file updated | 12 April 2019 20:59 CEST | Update | - |
| article html file updated | 3 April 2019 10:04 CEST | Update | - |
| article html file updated | 4 March 2019 06:28 CET | Update | - |
| article html file updated | 26 January 2019 11:46 CET | Original file | - |
| article pdf uploaded. | 26 January 2019 11:43 CET | Version of Record | https://www.mdpi.com/2225-1154/7/2/20/pdf |
| article xml uploaded. | 26 January 2019 11:43 CET | Update | https://www.mdpi.com/2225-1154/7/2/20/xml |
| article xml file uploaded | 26 January 2019 11:43 CET | Original file | - |
