| article html file updated | 1 September 2025 17:27 CEST | Update | https://www.mdpi.com/2223-7747/10/1/68 |
| article html file updated | 23 July 2022 08:59 CEST | Update | - |
| article html file updated | 6 January 2021 07:41 CET | Update | - |
| article pdf uploaded. | 6 January 2021 07:40 CET | Updated version of record | https://www.mdpi.com/2223-7747/10/1/68/pdf |
| article xml uploaded. | 6 January 2021 07:40 CET | Update | https://www.mdpi.com/2223-7747/10/1/68/xml |
| article xml file uploaded | 6 January 2021 07:40 CET | Update | - |
| article html file updated | 2 January 2021 10:05 CET | Update | - |
| article pdf uploaded. | 2 January 2021 10:00 CET | Updated version of record | https://www.mdpi.com/2223-7747/10/1/68/pdf-vor |
| article xml file uploaded | 2 January 2021 10:00 CET | Update | - |
| article html file updated | 31 December 2020 09:20 CET | Update | - |
| article pdf uploaded. | 31 December 2020 09:19 CET | Updated version of record | https://www.mdpi.com/2223-7747/10/1/68/pdf-vor |
| article xml uploaded. | 31 December 2020 09:19 CET | Update | - |
| article xml file uploaded | 31 December 2020 09:19 CET | Update | - |
| article html file updated | 31 December 2020 09:05 CET | Original file | - |
| article pdf uploaded. | 31 December 2020 09:04 CET | Version of Record | https://www.mdpi.com/2223-7747/10/1/68/pdf-vor |
| article xml uploaded. | 31 December 2020 09:04 CET | Update | - |
| article xml file uploaded | 31 December 2020 09:04 CET | Original file | - |