| article html file updated | 6 February 2020 06:39 CET | Update | https://www.mdpi.com/2077-0383/3/1/25 |
| article html file updated | 20 September 2019 05:07 CEST | Update | - |
| article html file updated | 7 May 2019 19:57 CEST | Update | - |
| article html file updated | 21 March 2019 10:49 CET | Update | - |
| article html file updated | 19 August 2015 16:56 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/2077-0383/3/1/25/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. | 9 January 2014 09:46 CET | Version of Record | https://www.mdpi.com/2077-0383/3/1/25/pdf |
