| article html file updated | 6 February 2020 18:09 CET | Update | https://www.mdpi.com/2077-0383/4/5/847 |
| article html file updated | 20 September 2019 20:46 CEST | Update | - |
| article html file updated | 6 May 2019 20:59 CEST | Update | - |
| article html file updated | 26 March 2019 01:37 CET | Update | - |
| article html file updated | 21 August 2015 11:20 CEST | Update | - |
| article html file updated | 25 June 2015 12:09 CEST | Original file | - |
| article xml file uploaded | 25 June 2015 12:09 CEST | Original file | https://www.mdpi.com/2077-0383/4/5/847/xml |
| article pdf uploaded. | 28 April 2015 15:56 CEST | Version of Record | https://www.mdpi.com/2077-0383/4/5/847/pdf |
