| article html file updated | 24 December 2025 17:07 CET | Update | https://www.mdpi.com/2077-1312/8/1/50 |
| article html file updated | 31 August 2025 09:14 CEST | Update | - |
| article html file updated | 20 July 2022 17:46 CEST | Update | - |
| article html file updated | 15 February 2020 03:45 CET | Update | - |
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| article html file updated | 20 January 2020 12:13 CET | Update | - |
| article html file updated | 20 January 2020 12:13 CET | Update | - |
| article pdf uploaded. | 20 January 2020 12:12 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/1/50/pdf |
| article xml file uploaded | 20 January 2020 12:12 CET | Update | https://www.mdpi.com/2077-1312/8/1/50/xml |
| article xml uploaded. | 20 January 2020 12:11 CET | Update | - |
| article pdf uploaded. | 20 January 2020 12:11 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/1/50/pdf-vor |
| article xml file uploaded | 20 January 2020 12:11 CET | Update | - |
| article html file updated | 19 January 2020 04:23 CET | Update | - |
| article pdf uploaded. | 19 January 2020 04:21 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/1/50/pdf-vor |
| article xml uploaded. | 19 January 2020 04:21 CET | Update | - |
| article xml file uploaded | 19 January 2020 04:21 CET | Update | - |
| article html file updated | 17 January 2020 09:31 CET | Original file | - |
| article pdf uploaded. | 17 January 2020 09:30 CET | Version of Record | https://www.mdpi.com/2077-1312/8/1/50/pdf-vor |
| article xml uploaded. | 17 January 2020 09:30 CET | Update | - |
| article xml file uploaded | 17 January 2020 09:30 CET | Original file | - |
