| article html file updated | 31 August 2025 15:31 CEST | Update | https://www.mdpi.com/1999-4923/12/4/300 |
| article html file updated | 21 July 2022 00:01 CEST | Update | N/A |
| article html file updated | 8 May 2020 13:28 CEST | Update | N/A |
| article html file updated | 30 March 2020 10:52 CEST | Update | N/A |
| article pdf uploaded. | 30 March 2020 10:51 CEST | Updated version of record | https://www.mdpi.com/1999-4923/12/4/300/pdf |
| article xml uploaded. | 30 March 2020 10:51 CEST | Update | https://www.mdpi.com/1999-4923/12/4/300/xml |
| article xml file uploaded | 30 March 2020 10:51 CEST | Update | N/A |
| article html file updated | 30 March 2020 06:58 CEST | Original file | N/A |
| article pdf uploaded. | 30 March 2020 06:56 CEST | Updated version of record | https://www.mdpi.com/1999-4923/12/4/300/pdf-vor |
| article xml file uploaded | 30 March 2020 06:56 CEST | Update | N/A |
| article pdf uploaded. | 26 March 2020 10:15 CET | Version of Record | https://www.mdpi.com/1999-4923/12/4/300/pdf-vor |
| article xml file uploaded | 26 March 2020 10:15 CET | Original file | N/A |