| article html file updated | 6 February 2020 09:29 CET | Update | https://www.mdpi.com/1422-0067/15/6/9224 |
| article html file updated | 7 May 2019 14:06 CEST | Update | - |
| article html file updated | 21 March 2019 17:35 CET | Update | - |
| article html file updated | 20 August 2015 08:11 CEST | Update | - |
| article html file updated | 16 July 2014 08:46 CEST | Update | - |
| article xml file uploaded | 16 July 2014 08:46 CEST | Update | https://www.mdpi.com/1422-0067/15/6/9224/xml |
| article html file updated | 11 July 2014 10:30 CEST | Update | - |
| article xml file uploaded | 11 July 2014 10:30 CEST | Update | - |
| article html file updated | 4 July 2014 03:19 CEST | Update | - |
| article xml file uploaded | 4 July 2014 03:19 CEST | Update | - |
| article html file updated | 27 June 2014 05:59 CEST | Original file | - |
| article xml file uploaded | 27 June 2014 05:59 CEST | Original file | - |
| article pdf uploaded. | 4 June 2014 13:49 CEST | Updated version of record | https://www.mdpi.com/1422-0067/15/6/9224/pdf |
| article pdf uploaded. | 26 May 2014 11:19 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/6/9224/pdf-vor |
