| article html file updated | 6 February 2020 08:49 CET | Update | https://www.mdpi.com/2077-0383/3/2/432 |
| article html file updated | 20 September 2019 07:46 CEST | Update | - |
| article html file updated | 7 May 2019 15:26 CEST | Update | - |
| article html file updated | 21 March 2019 16:03 CET | Update | - |
| article html file updated | 20 August 2015 04:23 CEST | Update | - |
| article html file updated | 16 December 2014 04:50 CET | Update | - |
| article xml file uploaded | 16 December 2014 04:50 CET | Update | https://www.mdpi.com/2077-0383/3/2/432/xml |
| article html file updated | 10 December 2014 09:53 CET | Original file | - |
| article xml file uploaded | 10 December 2014 09:53 CET | Original file | - |
| article pdf uploaded. | 23 April 2014 15:25 CEST | Version of Record | https://www.mdpi.com/2077-0383/3/2/432/pdf |
