| article html file updated | 7 February 2020 08:29 CET | Update | https://www.mdpi.com/1996-1073/9/5/357 |
| article html file updated | 5 May 2019 16:12 CEST | Update | - |
| article html file updated | 27 March 2019 04:19 CET | Update | - |
| article html file updated | 26 May 2016 12:59 CEST | Update | - |
| article html file updated | 11 May 2016 14:50 CEST | Original file | - |
| article xml uploaded. | 11 May 2016 14:48 CEST | Original file | https://www.mdpi.com/1996-1073/9/5/357/xml |
| article pdf uploaded. | 11 May 2016 14:48 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/5/357/pdf |
