| article html file updated | 31 August 2025 23:56 CEST | Update | https://www.mdpi.com/2220-9964/9/6/400 |
| article html file updated | 21 July 2022 21:11 CEST | Update | - |
| article html file updated | 6 July 2020 09:20 CEST | Update | - |
| article html file updated | 29 June 2020 08:59 CEST | Original file | - |
| article pdf uploaded. | 29 June 2020 08:58 CEST | Updated version of record | https://www.mdpi.com/2220-9964/9/6/400/pdf |
| article xml uploaded. | 29 June 2020 08:58 CEST | Update | https://www.mdpi.com/2220-9964/9/6/400/xml |
| article xml file uploaded | 29 June 2020 08:58 CEST | Original file | - |
| article pdf uploaded. | 29 June 2020 07:31 CEST | Updated version of record | - |
