| article html file updated | 6 February 2020 06:16 CET | Update | https://www.mdpi.com/2077-0383/2/4/328 |
| article html file updated | 20 September 2019 04:29 CEST | Update | - |
| article html file updated | 7 May 2019 20:44 CEST | Update | - |
| article html file updated | 21 March 2019 09:37 CET | Update | - |
| article html file updated | 19 August 2015 14:01 CEST | Update | - |
| article html file updated | 25 June 2015 12:08 CEST | Update | - |
| article xml file uploaded | 25 June 2015 12:08 CEST | Update | https://www.mdpi.com/2077-0383/2/4/328/xml |
| article html file updated | 16 December 2014 04:50 CET | Update | - |
| article xml file uploaded | 16 December 2014 04:50 CET | Update | - |
| 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. | 17 December 2013 11:15 CET | Version of Record | https://www.mdpi.com/2077-0383/2/4/328/pdf |
