| article html file updated | 31 August 2025 00:15 CEST | Update | https://www.mdpi.com/2571-550X/2/3/30 |
| article html file updated | 21 August 2025 22:10 CEST | Update | - |
| article html file updated | 20 July 2022 04:52 CEST | Update | - |
| article html file updated | 13 February 2020 11:26 CET | Update | - |
| article html file updated | 26 September 2019 14:30 CEST | Update | - |
| article html file updated | 12 September 2019 10:36 CEST | Update | - |
| article html file updated | 12 September 2019 10:34 CEST | Update | - |
| article html file updated | 12 September 2019 10:32 CEST | Original file | - |
| article pdf uploaded. | 12 September 2019 10:31 CEST | Updated version of record | https://www.mdpi.com/2571-550X/2/3/30/pdf |
| article xml uploaded. | 12 September 2019 10:31 CEST | Update | https://www.mdpi.com/2571-550X/2/3/30/xml |
| article xml file uploaded | 12 September 2019 10:31 CEST | Update | - |
| article pdf uploaded. | 21 August 2019 15:37 CEST | Version of Record | https://www.mdpi.com/2571-550X/2/3/30/pdf-vor |
| article xml file uploaded | 21 August 2019 15:37 CEST | Original file | - |