| article html file updated | 30 August 2025 14:26 CEST | Update | https://www.mdpi.com/2226-4787/7/2/42 |
| article html file updated | 19 July 2022 17:58 CEST | Update | N/A |
| article html file updated | 12 February 2020 08:14 CET | Update | N/A |
| article html file updated | 19 October 2019 03:06 CEST | Update | N/A |
| article html file updated | 5 July 2019 18:06 CEST | Update | N/A |
| article html file updated | 27 April 2019 09:56 CEST | Original file | N/A |
| article pdf uploaded. | 27 April 2019 09:55 CEST | Version of Record | https://www.mdpi.com/2226-4787/7/2/42/pdf |
| article xml uploaded. | 27 April 2019 09:55 CEST | Update | https://www.mdpi.com/2226-4787/7/2/42/xml |
| article xml file uploaded | 27 April 2019 09:55 CEST | Original file | N/A |
