| article html file updated | 31 August 2025 11:47 CEST | Update | https://www.mdpi.com/2227-9717/8/2/228 |
| article html file updated | 20 July 2022 20:18 CEST | Update | - |
| article html file updated | 6 March 2020 21:35 CET | Update | - |
| article html file updated | 25 February 2020 09:33 CET | Update | - |
| article pdf uploaded. | 25 February 2020 09:31 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/2/228/pdf |
| article xml uploaded. | 25 February 2020 09:31 CET | Update | https://www.mdpi.com/2227-9717/8/2/228/xml |
| article xml file uploaded | 25 February 2020 09:31 CET | Update | - |
| article html file updated | 15 February 2020 11:00 CET | Original file | - |
| article pdf uploaded. | 15 February 2020 10:58 CET | Version of Record | https://www.mdpi.com/2227-9717/8/2/228/pdf-vor |
| article xml uploaded. | 15 February 2020 10:58 CET | Update | - |
| article xml file uploaded | 15 February 2020 10:58 CET | Original file | - |
