| article html file updated | 6 February 2020 02:02 CET | Update | https://www.mdpi.com/1660-3397/11/5/1534 |
| article html file updated | 8 May 2019 05:17 CEST | Update | - |
| article html file updated | 20 March 2019 22:23 CET | Update | - |
| article html file updated | 17 June 2015 09:14 CEST | Update | - |
| article html file updated | 6 August 2013 15:49 CEST | Original file | - |
| article xml file uploaded | 6 August 2013 15:49 CEST | Original file | https://www.mdpi.com/1660-3397/11/5/1534/xml |
| article pdf uploaded. | 13 May 2013 13:29 CEST | Version of Record | https://www.mdpi.com/1660-3397/11/5/1534/pdf |
