| article html file updated | 6 February 2020 02:47 CET | Update | https://www.mdpi.com/1422-0067/14/7/12931 |
| article html file updated | 8 May 2019 03:42 CEST | Update | - |
| article html file updated | 21 March 2019 00:13 CET | Update | - |
| article html file updated | 17 June 2015 10:29 CEST | Update | - |
| article html file updated | 14 August 2013 09:49 CEST | Original file | - |
| article xml file uploaded | 14 August 2013 09:49 CEST | Original file | https://www.mdpi.com/1422-0067/14/7/12931/xml |
| article pdf uploaded. | 19 July 2013 11:25 CEST | Updated version of record | https://www.mdpi.com/1422-0067/14/7/12931/pdf |
| article pdf uploaded. | 5 July 2013 16:58 CEST | Updated version of record | https://www.mdpi.com/1422-0067/14/7/12931/pdf-vor |
| article pdf uploaded. | 24 June 2013 17:02 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/7/12931/pdf-vor |
