| article html file updated | 31 August 2025 10:18 CEST | Update | https://www.mdpi.com/2227-7390/8/2/168 |
| article html file updated | 20 July 2022 18:48 CEST | Update | - |
| article html file updated | 6 March 2020 07:46 CET | Update | - |
| article html file updated | 28 February 2020 04:24 CET | Original file | - |
| article pdf uploaded. | 28 February 2020 04:23 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/168/pdf |
| article xml uploaded. | 28 February 2020 04:23 CET | Update | https://www.mdpi.com/2227-7390/8/2/168/xml |
| article xml file uploaded | 28 February 2020 04:23 CET | Update | - |
| article pdf uploaded. | 30 January 2020 13:56 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/168/pdf-vor |
| article xml file uploaded | 30 January 2020 13:56 CET | Original file | - |
