| article html file updated | 6 February 2020 00:46 CET | Update | https://www.mdpi.com/1422-0067/14/3/4969 |
| article html file updated | 8 May 2019 07:53 CEST | Update | - |
| article html file updated | 20 March 2019 19:10 CET | Update | - |
| article html file updated | 17 June 2015 06:59 CEST | Update | - |
| article html file updated | 21 May 2013 09:13 CEST | Update | - |
| article xml file uploaded | 21 May 2013 09:13 CEST | Update | https://www.mdpi.com/1422-0067/14/3/4969/xml |
| article html file updated | 18 April 2013 14:00 CEST | Update | - |
| article xml file uploaded | 18 April 2013 14:00 CEST | Update | - |
| article html file updated | 9 April 2013 15:41 CEST | Original file | - |
| article xml file uploaded | 9 April 2013 15:40 CEST | Original file | - |
| article pdf uploaded. | 6 March 2013 16:23 CET | Updated version of record | https://www.mdpi.com/1422-0067/14/3/4969/pdf |
| article pdf uploaded. | 1 March 2013 14:26 CET | Version of Record | https://www.mdpi.com/1422-0067/14/3/4969/pdf-vor |