| article html file updated | 6 February 2020 07:55 CET | Update | https://www.mdpi.com/2077-0383/3/1/267 |
| article html file updated | 7 May 2019 17:16 CEST | Update | - |
| article html file updated | 21 March 2019 13:55 CET | Update | - |
| article html file updated | 19 August 2015 23:50 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/2077-0383/3/1/267/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. | 14 March 2014 14:42 CET | Version of Record | https://www.mdpi.com/2077-0383/3/1/267/pdf |
