| article html file updated | 31 August 2025 01:03 CEST | Update | https://www.mdpi.com/2220-9964/8/9/400 |
| article html file updated | 21 August 2025 22:24 CEST | Update | - |
| article html file updated | 20 July 2022 03:52 CEST | Update | - |
| article html file updated | 13 February 2020 15:43 CET | Update | - |
| article html file updated | 26 September 2019 01:45 CEST | Update | - |
| article html file updated | 10 September 2019 15:33 CEST | Update | - |
| article pdf uploaded. | 10 September 2019 15:31 CEST | Updated version of record | https://www.mdpi.com/2220-9964/8/9/400/pdf |
| article xml uploaded. | 10 September 2019 15:31 CEST | Update | https://www.mdpi.com/2220-9964/8/9/400/xml |
| article xml file uploaded | 10 September 2019 15:31 CEST | Update | - |
| article html file updated | 6 September 2019 12:04 CEST | Original file | - |
| article pdf uploaded. | 6 September 2019 12:02 CEST | Version of Record | https://www.mdpi.com/2220-9964/8/9/400/pdf-vor |
| article xml uploaded. | 6 September 2019 12:02 CEST | Update | - |
| article xml file uploaded | 6 September 2019 12:02 CEST | Original file | - |
