| article html file updated | 31 August 2025 08:10 CEST | Update | https://www.mdpi.com/2227-9717/8/1/68 |
| article html file updated | 19 July 2022 20:09 CEST | Update | - |
| article html file updated | 15 February 2020 00:00 CET | Update | - |
| article html file updated | 7 February 2020 02:35 CET | Update | - |
| article html file updated | 22 January 2020 05:30 CET | Original file | - |
| article pdf uploaded. | 22 January 2020 05:29 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/1/68/pdf |
| article xml uploaded. | 22 January 2020 05:28 CET | Update | https://www.mdpi.com/2227-9717/8/1/68/xml |
| article xml file uploaded | 22 January 2020 05:28 CET | Update | - |
| article pdf uploaded. | 3 January 2020 15:00 CET | Version of Record | https://www.mdpi.com/2227-9717/8/1/68/pdf-vor |
| article xml file uploaded | 3 January 2020 15:00 CET | Original file | - |
