| article html file updated | 31 August 2025 18:29 CEST | Update | https://www.mdpi.com/2073-4360/12/4/990 |
| article html file updated | 21 July 2022 02:56 CEST | Update | N/A |
| article html file updated | 9 May 2020 05:47 CEST | Update | N/A |
| article html file updated | 9 May 2020 05:24 CEST | Original file | N/A |
| article xml uploaded. | 9 May 2020 04:35 CEST | Update | https://www.mdpi.com/2073-4360/12/4/990/xml |
| article pdf uploaded. | 9 May 2020 04:35 CEST | Updated version of record | https://www.mdpi.com/2073-4360/12/4/990/pdf |
| article pdf uploaded. | 24 April 2020 15:24 CEST | Version of Record | https://www.mdpi.com/2073-4360/12/4/990/pdf-vor |
| article xml file uploaded | 24 April 2020 15:24 CEST | Original file | N/A |
