| article html file updated | 5 February 2020 23:51 CET | Update | https://www.mdpi.com/1422-0067/14/1/1132 |
| article html file updated | 8 May 2019 10:08 CEST | Update | - |
| article html file updated | 20 March 2019 16:52 CET | Update | - |
| article html file updated | 17 June 2015 05:18 CEST | Update | - |
| article html file updated | 14 August 2014 12:05 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:05 CEST | Update | https://www.mdpi.com/1422-0067/14/1/1132/xml |
| article html file updated | 8 February 2013 12:24 CET | Original file | - |
| article xml file uploaded | 8 February 2013 12:23 CET | Original file | - |
| article pdf uploaded. | 24 January 2013 09:19 CET | Updated version of record | https://www.mdpi.com/1422-0067/14/1/1132/pdf |
| article pdf uploaded. | 21 January 2013 14:39 CET | Version of Record | https://www.mdpi.com/1422-0067/14/1/1132/pdf-vor |