| article html file updated | 24 December 2025 16:14 CET | Update | https://www.mdpi.com/2411-5150/3/4/56 |
| article html file updated | 31 August 2025 03:29 CEST | Update | N/A |
| article html file updated | 21 August 2025 23:03 CEST | Update | N/A |
| article html file updated | 20 July 2022 00:55 CEST | Update | N/A |
| article html file updated | 14 February 2020 03:56 CET | Update | N/A |
| article html file updated | 19 January 2020 06:39 CET | Update | N/A |
| article html file updated | 25 October 2019 11:07 CEST | Original file | N/A |
| article pdf uploaded. | 25 October 2019 11:06 CEST | Version of Record | https://www.mdpi.com/2411-5150/3/4/56/pdf |
| article xml uploaded. | 25 October 2019 11:06 CEST | Update | https://www.mdpi.com/2411-5150/3/4/56/xml |
| article xml file uploaded | 25 October 2019 11:06 CEST | Original file | N/A |
