| article html file updated | 30 August 2025 12:37 CEST | Update | https://www.mdpi.com/2073-431X/8/1/21 |
| article html file updated | 19 July 2022 15:54 CEST | Update | - |
| article html file updated | 11 February 2020 19:59 CET | Update | - |
| article html file updated | 16 October 2019 00:57 CEST | Update | - |
| article html file updated | 26 April 2019 08:03 CEST | Update | - |
| article html file updated | 12 April 2019 03:35 CEST | Update | - |
| article html file updated | 4 April 2019 07:12 CEST | Update | - |
| article html file updated | 2 April 2019 11:34 CEST | Update | - |
| article html file updated | 5 March 2019 06:41 CET | Original file | - |
| article pdf uploaded. | 5 March 2019 06:40 CET | Version of Record | https://www.mdpi.com/2073-431X/8/1/21/pdf |
| article xml uploaded. | 5 March 2019 06:40 CET | Update | https://www.mdpi.com/2073-431X/8/1/21/xml |
| article xml file uploaded | 5 March 2019 06:40 CET | Original file | - |
