| article html file updated | 6 February 2020 18:24 CET | Update | https://www.mdpi.com/2077-0383/4/5/918 |
| article html file updated | 20 September 2019 21:03 CEST | Update | - |
| article html file updated | 6 May 2019 20:30 CEST | Update | - |
| article html file updated | 26 March 2019 02:07 CET | Update | - |
| article html file updated | 21 August 2015 11:45 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/2077-0383/4/5/918/xml |
| article pdf uploaded. | 7 May 2015 11:15 CEST | Version of Record | https://www.mdpi.com/2077-0383/4/5/918/pdf |
