| article html file updated | 29 August 2025 21:37 CEST | Update | https://www.mdpi.com/2072-6643/7/4/2261 |
| article html file updated | 16 July 2022 00:02 CEST | Update | - |
| article html file updated | 6 February 2020 17:10 CET | Update | - |
| article html file updated | 6 May 2019 22:49 CEST | Update | - |
| article html file updated | 25 March 2019 23:52 CET | Update | - |
| article html file updated | 21 August 2015 09:42 CEST | Update | - |
| article html file updated | 28 April 2015 08:09 CEST | Update | - |
| article xml file uploaded | 28 April 2015 08:09 CEST | Update | https://www.mdpi.com/2072-6643/7/4/2261/xml |
| article html file updated | 10 April 2015 04:02 CEST | Original file | - |
| article xml file uploaded | 10 April 2015 04:02 CEST | Original file | - |
| article pdf uploaded. | 3 April 2015 10:16 CEST | Updated version of record | https://www.mdpi.com/2072-6643/7/4/2261/pdf |
| article pdf uploaded. | 31 March 2015 12:57 CEST | Version of Record | https://www.mdpi.com/2072-6643/7/4/2261/pdf-vor |
