| article html file updated | 6 February 2020 09:40 CET | Update | https://www.mdpi.com/1422-0067/15/6/9844 |
| article html file updated | 7 May 2019 13:42 CEST | Update | - |
| article html file updated | 21 March 2019 18:04 CET | Update | - |
| article html file updated | 20 August 2015 08:56 CEST | Update | - |
| article html file updated | 16 July 2014 08:48 CEST | Update | - |
| article xml file uploaded | 16 July 2014 08:48 CEST | Update | https://www.mdpi.com/1422-0067/15/6/9844/xml |
| article html file updated | 11 July 2014 10:33 CEST | Update | - |
| article xml file uploaded | 11 July 2014 10:32 CEST | Update | - |
| article html file updated | 8 July 2014 10:29 CEST | Original file | - |
| article xml file uploaded | 8 July 2014 10:29 CEST | Original file | - |
| article pdf uploaded. | 3 June 2014 08:45 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/6/9844/pdf |
