| article html file updated | 6 February 2020 01:39 CET | Update | https://www.mdpi.com/1422-0067/14/4/8625 |
| article html file updated | 8 May 2019 06:01 CEST | Update | - |
| article html file updated | 20 March 2019 21:21 CET | Update | - |
| article html file updated | 17 June 2015 08:37 CEST | Update | - |
| article html file updated | 21 May 2013 09:34 CEST | Update | - |
| article xml file uploaded | 21 May 2013 09:34 CEST | Update | https://www.mdpi.com/1422-0067/14/4/8625/xml |
| article html file updated | 6 May 2013 18:34 CEST | Original file | - |
| article xml file uploaded | 6 May 2013 18:33 CEST | Original file | - |
| article pdf uploaded. | 23 April 2013 17:05 CEST | Updated version of record | https://www.mdpi.com/1422-0067/14/4/8625/pdf |
| article pdf uploaded. | 22 April 2013 11:15 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/4/8625/pdf-vor |