| article html file updated | 6 February 2020 08:24 CET | Update | https://www.mdpi.com/1422-0067/15/4/5821 |
| article html file updated | 7 May 2019 16:19 CEST | Update | - |
| article html file updated | 21 March 2019 15:02 CET | Update | - |
| article html file updated | 20 August 2015 02:17 CEST | Update | - |
| article html file updated | 12 May 2014 11:37 CEST | Update | - |
| article xml file uploaded | 12 May 2014 11:37 CEST | Update | https://www.mdpi.com/1422-0067/15/4/5821/xml |
| article html file updated | 12 May 2014 10:47 CEST | Original file | - |
| article xml file uploaded | 12 May 2014 10:47 CEST | Original file | - |
| article pdf uploaded. | 4 April 2014 12:00 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/4/5821/pdf |
