| article html file updated | 31 August 2025 05:10 CEST | Update | https://www.mdpi.com/2304-6732/6/4/121 |
| article html file updated | 19 July 2022 23:04 CEST | Update | - |
| article html file updated | 14 February 2020 13:04 CET | Update | - |
| article html file updated | 31 December 2019 01:34 CET | Update | - |
| article html file updated | 26 November 2019 09:26 CET | Original file | - |
| article pdf uploaded. | 26 November 2019 09:25 CET | Version of Record | https://www.mdpi.com/2304-6732/6/4/121/pdf |
| article xml uploaded. | 26 November 2019 09:25 CET | Update | https://www.mdpi.com/2304-6732/6/4/121/xml |
| article xml file uploaded | 26 November 2019 09:25 CET | Original file | - |
