| article html file updated | 6 February 2020 01:52 CET | Update | https://www.mdpi.com/1422-0067/14/5/9514 |
| article html file updated | 8 May 2019 05:37 CEST | Update | - |
| article html file updated | 20 March 2019 21:57 CET | Update | - |
| article html file updated | 17 June 2015 08:57 CEST | Update | - |
| article html file updated | 25 July 2013 15:08 CEST | Update | - |
| article xml file uploaded | 25 July 2013 15:08 CEST | Update | https://www.mdpi.com/1422-0067/14/5/9514/xml |
| article html file updated | 10 June 2013 09:02 CEST | Original file | - |
| article xml file uploaded | 10 June 2013 09:00 CEST | Original file | - |
| article pdf uploaded. | 13 May 2013 14:54 CEST | Updated version of record | https://www.mdpi.com/1422-0067/14/5/9514/pdf |
| article pdf uploaded. | 2 May 2013 11:06 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/5/9514/pdf-vor |