| article html file updated | 6 February 2020 06:36 CET | Update | https://www.mdpi.com/1660-3397/12/1/193 |
| article html file updated | 7 May 2019 20:04 CEST | Update | - |
| article html file updated | 21 March 2019 10:41 CET | Update | - |
| article html file updated | 19 August 2015 16:42 CEST | Update | - |
| article html file updated | 14 August 2014 12:07 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:07 CEST | Update | https://www.mdpi.com/1660-3397/12/1/193/xml |
| article html file updated | 17 February 2014 12:19 CET | Original file | - |
| article xml file uploaded | 17 February 2014 12:19 CET | Original file | - |
| article pdf uploaded. | 7 January 2014 11:12 CET | Version of Record | https://www.mdpi.com/1660-3397/12/1/193/pdf |
