| article html file updated | 29 August 2025 21:46 CEST | Update | https://www.mdpi.com/2075-4450/6/2/464 |
| article html file updated | 20 August 2025 22:00 CEST | Update | - |
| article html file updated | 16 July 2022 00:18 CEST | Update | - |
| article html file updated | 6 February 2020 19:02 CET | Update | - |
| article html file updated | 6 May 2019 19:08 CEST | Update | - |
| article html file updated | 26 March 2019 03:29 CET | Update | - |
| article html file updated | 21 August 2015 12:39 CEST | Update | - |
| article html file updated | 3 July 2015 12:26 CEST | Original file | - |
| article xml file uploaded | 3 July 2015 12:26 CEST | Original file | https://www.mdpi.com/2075-4450/6/2/464/xml |
| article pdf uploaded. | 26 May 2015 15:34 CEST | Version of Record | https://www.mdpi.com/2075-4450/6/2/464/pdf |
