| article html file updated | 1 September 2025 06:36 CEST | Update | https://www.mdpi.com/1999-4923/12/9/804 |
| article html file updated | 22 July 2022 04:43 CEST | Update | N/A |
| article html file updated | 26 August 2020 06:25 CEST | Original file | N/A |
| article pdf uploaded. | 26 August 2020 06:24 CEST | Updated version of record | https://www.mdpi.com/1999-4923/12/9/804/pdf |
| article xml uploaded. | 26 August 2020 06:24 CEST | Update | https://www.mdpi.com/1999-4923/12/9/804/xml |
| article xml file uploaded | 26 August 2020 06:24 CEST | Original file | N/A |
| article pdf uploaded. | 25 August 2020 12:48 CEST | Updated version of record | https://www.mdpi.com/1999-4923/12/9/804/pdf-vor |
| article pdf uploaded. | 25 August 2020 12:47 CEST | Version of Record | https://www.mdpi.com/1999-4923/12/9/804/pdf-vor |
