| article html file updated | 7 September 2025 01:28 CEST | Update | https://www.mdpi.com/2411-5134/6/4/60 |
| article html file updated | 30 July 2022 07:15 CEST | Update | - |
| article html file updated | 4 November 2021 02:44 CET | Update | - |
| article pdf uploaded. | 4 November 2021 02:42 CET | Updated version of record | https://www.mdpi.com/2411-5134/6/4/60/pdf |
| article xml uploaded. | 4 November 2021 02:42 CET | Update | https://www.mdpi.com/2411-5134/6/4/60/xml |
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| article html file updated | 3 November 2021 11:16 CET | Update | - |
| article pdf uploaded. | 3 November 2021 11:15 CET | Updated version of record | https://www.mdpi.com/2411-5134/6/4/60/pdf-vor |
| article xml uploaded. | 3 November 2021 11:15 CET | Update | - |
| article xml file uploaded | 3 November 2021 11:15 CET | Update | - |
| article html file updated | 3 November 2021 10:31 CET | Original file | - |
| article pdf uploaded. | 3 November 2021 10:13 CET | Updated version of record | https://www.mdpi.com/2411-5134/6/4/60/pdf-vor |
| article xml uploaded. | 3 November 2021 10:13 CET | Update | - |
| article xml file uploaded | 3 November 2021 10:13 CET | Original file | - |
| article pdf uploaded. | 21 October 2021 10:50 CEST | Updated version of record | https://www.mdpi.com/2411-5134/6/4/60/pdf-vor |
| article pdf uploaded. | 23 September 2021 15:14 CEST | Version of Record | https://www.mdpi.com/2411-5134/6/4/60/pdf-vor |
