| article html file updated | 31 August 2025 12:15 CEST | Update | https://www.mdpi.com/2077-1312/8/2/140 |
| article html file updated | 20 July 2022 20:45 CEST | Update | - |
| article html file updated | 6 March 2020 07:19 CET | Update | - |
| article html file updated | 1 March 2020 04:35 CET | Original file | - |
| article pdf uploaded. | 1 March 2020 04:34 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/2/140/pdf |
| article xml uploaded. | 1 March 2020 04:34 CET | Update | https://www.mdpi.com/2077-1312/8/2/140/xml |
| article xml file uploaded | 1 March 2020 04:34 CET | Update | - |
| article pdf uploaded. | 20 February 2020 14:19 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/2/140/pdf-vor |
| article xml file uploaded | 20 February 2020 14:19 CET | Update | - |
| article pdf uploaded. | 20 February 2020 14:19 CET | Version of Record | https://www.mdpi.com/2077-1312/8/2/140/pdf-vor |
| article xml file uploaded | 20 February 2020 14:19 CET | Original file | - |
