| article html file updated | 6 February 2020 04:58 CET | Update | https://www.mdpi.com/1660-3397/11/10/3970 |
| article html file updated | 7 May 2019 23:10 CEST | Update | - |
| article html file updated | 21 March 2019 06:09 CET | Update | - |
| article html file updated | 17 June 2015 13:59 CEST | Update | - |
| article html file updated | 3 December 2013 08:20 CET | Original file | - |
| article xml file uploaded | 3 December 2013 08:20 CET | Original file | https://www.mdpi.com/1660-3397/11/10/3970/xml |
| article pdf uploaded. | 17 October 2013 17:23 CEST | Version of Record | https://www.mdpi.com/1660-3397/11/10/3970/pdf |
