| article html file updated | 6 February 2020 14:52 CET | Update | https://new.mdpi.com/2076-2615/5/1/13 |
| article html file updated | 7 May 2019 03:07 CEST | Update | - |
| article html file updated | 25 March 2019 19:57 CET | Update | - |
| article html file updated | 21 August 2015 05:07 CEST | Update | - |
| article html file updated | 2 July 2015 06:37 CEST | Update | - |
| article xml file uploaded | 2 July 2015 06:37 CEST | Update | https://new.mdpi.com/2076-2615/5/1/13/xml |
| article html file updated | 31 March 2015 12:39 CEST | Original file | - |
| article xml file uploaded | 31 March 2015 12:39 CEST | Original file | - |
| article pdf uploaded. | 31 December 2014 09:16 CET | Version of Record | https://new.mdpi.com/2076-2615/5/1/13/pdf |
