| article html file updated | 31 August 2025 09:37 CEST | Update | https://www.mdpi.com/2227-9717/8/2/138 |
| article html file updated | 20 July 2022 18:09 CEST | Update | - |
| article html file updated | 6 March 2020 21:04 CET | Update | - |
| article html file updated | 15 February 2020 05:07 CET | Update | - |
| article html file updated | 12 February 2020 16:30 CET | Original file | - |
| article pdf uploaded. | 12 February 2020 16:29 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/2/138/pdf |
| article xml uploaded. | 12 February 2020 16:29 CET | Update | https://www.mdpi.com/2227-9717/8/2/138/xml |
| article xml file uploaded | 12 February 2020 16:29 CET | Update | - |
| article pdf uploaded. | 21 January 2020 15:46 CET | Version of Record | https://www.mdpi.com/2227-9717/8/2/138/pdf-vor |
| article xml file uploaded | 21 January 2020 15:46 CET | Original file | - |
