| article html file updated | 29 August 2025 20:54 CEST | Update | https://www.mdpi.com/2072-6643/6/1/76 |
| article html file updated | 15 July 2022 22:46 CEST | Update | - |
| article html file updated | 6 February 2020 06:24 CET | Update | - |
| article html file updated | 7 May 2019 20:29 CEST | Update | - |
| article html file updated | 21 March 2019 10:00 CET | Update | - |
| article html file updated | 19 August 2015 14:52 CEST | Update | - |
| article html file updated | 17 February 2014 12:26 CET | Original file | - |
| article xml file uploaded | 17 February 2014 12:26 CET | Original file | https://www.mdpi.com/2072-6643/6/1/76/xml |
| article pdf uploaded. | 24 December 2013 08:58 CET | Version of Record | https://www.mdpi.com/2072-6643/6/1/76/pdf |