| article html file updated | 6 February 2020 20:29 CET | Update | https://www.mdpi.com/2077-0383/4/7/1403 |
| article html file updated | 6 May 2019 16:08 CEST | Update | - |
| article html file updated | 26 March 2019 06:14 CET | Update | - |
| article html file updated | 21 August 2015 14:37 CEST | Update | - |
| article html file updated | 7 August 2015 14:47 CEST | Original file | - |
| article xml file uploaded | 7 August 2015 14:47 CEST | Original file | https://www.mdpi.com/2077-0383/4/7/1403/xml |
| article pdf uploaded. | 9 July 2015 14:14 CEST | Version of Record | https://www.mdpi.com/2077-0383/4/7/1403/pdf |
