| article html file updated | 31 August 2025 17:07 CEST | Update | https://www.mdpi.com/2311-5629/6/2/21 |
| article html file updated | 21 July 2022 01:36 CEST | Update | N/A |
| article html file updated | 18 November 2020 01:33 CET | Update | N/A |
| article html file updated | 17 June 2020 14:57 CEST | Original file | N/A |
| article pdf uploaded. | 17 June 2020 14:56 CEST | Updated version of record | https://www.mdpi.com/2311-5629/6/2/21/pdf |
| article xml uploaded. | 17 June 2020 14:56 CEST | Update | https://www.mdpi.com/2311-5629/6/2/21/xml |
| article xml file uploaded | 17 June 2020 14:56 CEST | Update | N/A |
| article pdf uploaded. | 10 April 2020 20:41 CEST | Version of Record | https://www.mdpi.com/2311-5629/6/2/21/pdf-vor |
| article xml file uploaded | 10 April 2020 20:41 CEST | Original file | N/A |
