| article html file updated | 6 February 2020 14:11 CET | Update | https://www.mdpi.com/2073-4360/6/12/2942 |
| article html file updated | 7 May 2019 04:30 CEST | Update | - |
| article html file updated | 25 March 2019 18:48 CET | Update | - |
| article html file updated | 21 August 2015 03:25 CEST | Update | - |
| article html file updated | 29 December 2014 09:48 CET | Update | - |
| article xml file uploaded | 29 December 2014 09:48 CET | Update | https://www.mdpi.com/2073-4360/6/12/2942/xml |
| article html file updated | 29 December 2014 05:05 CET | Original file | - |
| article xml file uploaded | 29 December 2014 05:05 CET | Original file | - |
| article pdf uploaded. | 4 December 2014 15:33 CET | Version of Record | https://www.mdpi.com/2073-4360/6/12/2942/pdf |
