| article html file updated | 31 August 2025 17:41 CEST | Update | https://www.mdpi.com/2073-4409/9/4/999 |
| article html file updated | 21 August 2025 23:47 CEST | Update | - |
| article html file updated | 21 July 2022 02:09 CEST | Update | - |
| article html file updated | 9 November 2020 04:21 CET | Update | - |
| article xml uploaded. | 9 November 2020 04:20 CET | Update | https://www.mdpi.com/2073-4409/9/4/999/xml |
| article xml uploaded. | 9 November 2020 04:20 CET | Update | - |
| article pdf uploaded. | 9 November 2020 04:20 CET | Updated version of record | https://www.mdpi.com/2073-4409/9/4/999/pdf |
| article html file updated | 8 May 2020 13:09 CEST | Update | - |
| article html file updated | 17 April 2020 06:05 CEST | Original file | - |
| article pdf uploaded. | 17 April 2020 06:04 CEST | Updated version of record | https://www.mdpi.com/2073-4409/9/4/999/pdf-vor |
| article xml file uploaded | 17 April 2020 06:04 CEST | Update | - |
| article supplementary file uploaded. | 17 April 2020 06:04 CEST | - | https://www.mdpi.com/2073-4409/9/4/999#supplementary |
| article pdf uploaded. | 17 April 2020 06:04 CEST | Version of Record | https://www.mdpi.com/2073-4409/9/4/999/pdf-vor |
| article xml file uploaded | 17 April 2020 06:04 CEST | Original file | - |
