| article html file updated | 8 February 2020 04:46 CET | Update | https://www.mdpi.com/1996-1073/10/5/599 |
| article html file updated | 24 September 2019 14:15 CEST | Update | - |
| article html file updated | 4 May 2019 00:03 CEST | Update | - |
| article html file updated | 27 May 2017 03:02 CEST | Update | - |
| article html file updated | 29 April 2017 12:14 CEST | Original file | - |
| article xml uploaded. | 29 April 2017 12:12 CEST | Update | https://www.mdpi.com/1996-1073/10/5/599/xml |
| article pdf uploaded. | 29 April 2017 12:12 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/5/599/pdf |
