| article html file updated | 28 September 2025 19:15 CEST | Update | https://www.mdpi.com/1422-0067/14/1/2135 |
| article html file updated | 6 February 2020 00:09 CET | Update | - |
| article html file updated | 19 September 2019 17:19 CEST | Update | - |
| article html file updated | 8 May 2019 09:28 CEST | Update | - |
| article html file updated | 20 March 2019 17:36 CET | Update | - |
| article html file updated | 17 June 2015 05:41 CEST | Update | - |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/1422-0067/14/1/2135/xml |
| article html file updated | 8 February 2013 13:00 CET | Original file | - |
| article xml file uploaded | 8 February 2013 12:58 CET | Original file | - |
| article pdf uploaded. | 22 January 2013 10:50 CET | Version of Record | https://www.mdpi.com/1422-0067/14/1/2135/pdf |
