| article html file updated | 1 September 2025 14:07 CEST | Update | https://www.mdpi.com/2312-7481/6/4/64 |
| article html file updated | 23 July 2022 02:06 CEST | Update | - |
| article html file updated | 8 December 2020 01:42 CET | Update | - |
| article pdf uploaded. | 7 December 2020 06:31 CET | Updated version of record | https://www.mdpi.com/2312-7481/6/4/64/pdf |
| article xml uploaded. | 7 December 2020 06:30 CET | Update | https://www.mdpi.com/2312-7481/6/4/64/xml |
| article xml file uploaded | 7 December 2020 06:30 CET | Update | - |
| article xml uploaded. | 7 December 2020 06:17 CET | Update | - |
| article pdf uploaded. | 7 December 2020 06:17 CET | Updated version of record | https://www.mdpi.com/2312-7481/6/4/64/pdf-vor |
| article xml file uploaded | 7 December 2020 06:17 CET | Update | - |
| article html file updated | 24 November 2020 04:34 CET | Update | - |
| article pdf uploaded. | 24 November 2020 04:33 CET | Updated version of record | https://www.mdpi.com/2312-7481/6/4/64/pdf-vor |
| article xml uploaded. | 24 November 2020 04:33 CET | Update | - |
| article xml file uploaded | 24 November 2020 04:33 CET | Update | - |
| article html file updated | 22 November 2020 11:12 CET | Original file | - |
| article pdf uploaded. | 22 November 2020 11:11 CET | Version of Record | https://www.mdpi.com/2312-7481/6/4/64/pdf-vor |
| article xml uploaded. | 22 November 2020 11:11 CET | Update | - |
| article xml file uploaded | 22 November 2020 11:11 CET | Original file | - |
