| article html file updated | 6 February 2020 03:23 CET | Update | https://www.mdpi.com/1422-0067/14/8/15260 |
| article html file updated | 8 May 2019 02:32 CEST | Update | - |
| article html file updated | 21 March 2019 01:49 CET | Update | - |
| article html file updated | 17 June 2015 11:38 CEST | Update | - |
| article html file updated | 31 October 2013 09:54 CET | Update | - |
| article xml file uploaded | 31 October 2013 09:54 CET | Update | https://www.mdpi.com/1422-0067/14/8/15260/xml |
| article html file updated | 3 September 2013 12:21 CEST | Original file | - |
| article xml file uploaded | 3 September 2013 12:20 CEST | Original file | - |
| article pdf uploaded. | 24 July 2013 11:10 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/8/15260/pdf |
