| article html file updated | 6 February 2020 06:40 CET | Update | https://www.mdpi.com/1660-3397/12/1/232 |
| article html file updated | 7 May 2019 19:56 CEST | Update | - |
| article html file updated | 21 March 2019 10:51 CET | Update | - |
| article html file updated | 19 August 2015 17:02 CEST | Update | - |
| article html file updated | 17 February 2014 12:20 CET | Original file | - |
| article xml file uploaded | 17 February 2014 12:19 CET | Original file | https://www.mdpi.com/1660-3397/12/1/232/xml |
| article pdf uploaded. | 9 January 2014 14:55 CET | Version of Record | https://www.mdpi.com/1660-3397/12/1/232/pdf |
