| article html file updated | 7 February 2020 08:45 CET | Update | https://www.mdpi.com/1996-1073/9/5/372 |
| article html file updated | 5 May 2019 15:42 CEST | Update | - |
| article html file updated | 27 March 2019 04:47 CET | Update | - |
| article html file updated | 26 May 2016 13:06 CEST | Update | - |
| article html file updated | 16 May 2016 10:39 CEST | Original file | - |
| article xml uploaded. | 16 May 2016 10:38 CEST | Update | https://www.mdpi.com/1996-1073/9/5/372/xml |
| article pdf uploaded. | 16 May 2016 10:38 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/5/372/pdf |
