| article html file updated | 30 August 2025 21:07 CEST | Update | https://www.mdpi.com/2571-712X/2/2/21 |
| article html file updated | 20 July 2022 15:37 CEST | Update | N/A |
| article html file updated | 12 February 2020 19:35 CET | Update | N/A |
| article html file updated | 21 October 2019 20:47 CEST | Update | N/A |
| article html file updated | 21 June 2019 03:12 CEST | Update | N/A |
| article xml uploaded. | 21 June 2019 03:10 CEST | Update | https://www.mdpi.com/2571-712X/2/2/21/xml |
| article pdf uploaded. | 21 June 2019 03:10 CEST | Updated version of record | https://www.mdpi.com/2571-712X/2/2/21/pdf |
| article html file updated | 13 June 2019 17:28 CEST | Original file | N/A |
