| article html file updated | 29 August 2025 21:00 CEST | Update | https://www.mdpi.com/2076-3417/4/2/148 |
| article html file updated | 15 July 2022 22:57 CEST | Update | - |
| article html file updated | 6 February 2020 08:15 CET | Update | - |
| article html file updated | 7 May 2019 16:37 CEST | Update | - |
| article html file updated | 21 March 2019 14:42 CET | Update | - |
| article html file updated | 20 August 2015 01:38 CEST | Update | - |
| article html file updated | 9 March 2015 11:42 CET | Original file | - |
| article xml file uploaded | 9 March 2015 11:42 CET | Original file | https://www.mdpi.com/2076-3417/4/2/148/xml |
| article pdf uploaded. | 31 March 2014 08:33 CEST | Version of Record | https://www.mdpi.com/2076-3417/4/2/148/pdf |