| article html file updated | 17 August 2026 07:08 CEST | Update | https://www.mdpi.com/2077-0383/9/4/921 |
| article html file updated | 31 August 2025 15:41 CEST | Update | N/A |
| article html file updated | 21 July 2022 00:10 CEST | Update | N/A |
| article html file updated | 1 April 2020 16:10 CEST | Original file | N/A |
| article pdf uploaded. | 1 April 2020 10:59 CEST | Updated version of record | https://www.mdpi.com/2077-0383/9/4/921/pdf |
| article xml uploaded. | 1 April 2020 10:59 CEST | Update | https://www.mdpi.com/2077-0383/9/4/921/xml |
| article xml file uploaded | 1 April 2020 10:59 CEST | Update | N/A |
| article pdf uploaded. | 27 March 2020 13:29 CET | Version of Record | https://www.mdpi.com/2077-0383/9/4/921/pdf-vor |
| article xml file uploaded | 27 March 2020 13:29 CET | Original file | N/A |
