| article html file updated | 31 August 2025 16:56 CEST | Update | https://www.mdpi.com/2073-4409/9/4/921 |
| article html file updated | 21 July 2022 01:26 CEST | Update | N/A |
| article html file updated | 8 May 2020 12:57 CEST | Update | N/A |
| article html file updated | 10 April 2020 08:16 CEST | Original file | N/A |
| article pdf uploaded. | 10 April 2020 08:15 CEST | Version of Record | https://www.mdpi.com/2073-4409/9/4/921/pdf |
| article xml uploaded. | 10 April 2020 08:15 CEST | Update | https://www.mdpi.com/2073-4409/9/4/921/xml |
| article xml file uploaded | 10 April 2020 08:15 CEST | Original file | N/A |
