| article html file updated | 31 August 2025 09:43 CEST | Update | https://www.mdpi.com/2227-9717/8/2/144 |
| article html file updated | 20 July 2022 18:14 CEST | Update | - |
| article html file updated | 6 March 2020 21:06 CET | Update | - |
| article html file updated | 17 February 2020 07:08 CET | Original file | - |
| article pdf uploaded. | 17 February 2020 07:06 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/2/144/pdf |
| article xml uploaded. | 17 February 2020 07:06 CET | Update | https://www.mdpi.com/2227-9717/8/2/144/xml |
| article xml file uploaded | 17 February 2020 07:06 CET | Update | - |
| article pdf uploaded. | 22 January 2020 12:28 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/2/144/pdf-vor |
| article xml file uploaded | 22 January 2020 12:28 CET | Update | - |
| article pdf uploaded. | 22 January 2020 12:28 CET | Version of Record | https://www.mdpi.com/2227-9717/8/2/144/pdf-vor |
| article xml file uploaded | 22 January 2020 12:28 CET | Original file | - |
