| article html file updated | 6 February 2020 08:38 CET | Update | https://www.mdpi.com/1422-0067/15/4/6475 |
| article html file updated | 7 May 2019 15:49 CEST | Update | - |
| article html file updated | 21 March 2019 15:36 CET | Update | - |
| article html file updated | 20 August 2015 03:26 CEST | Update | - |
| article html file updated | 12 May 2014 11:40 CEST | Update | - |
| article xml file uploaded | 12 May 2014 11:40 CEST | Update | https://www.mdpi.com/1422-0067/15/4/6475/xml |
| article html file updated | 12 May 2014 11:04 CEST | Original file | - |
| article xml file uploaded | 12 May 2014 11:04 CEST | Original file | - |
| article supplementary file uploaded. | 16 April 2014 10:43 CEST | - | https://www.mdpi.com/1422-0067/15/4/6475#supplementary |
| article pdf uploaded. | 16 April 2014 10:43 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/4/6475/pdf |