| article html file updated | 8 February 2020 03:45 CET | Update | https://www.mdpi.com/1996-1073/10/4/545 |
| article html file updated | 24 September 2019 08:41 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:55 CEST | Update | N/A |
| article html file updated | 28 April 2017 06:22 CEST | Update | N/A |
| article html file updated | 17 April 2017 13:39 CEST | Original file | N/A |
| article xml uploaded. | 17 April 2017 13:38 CEST | Original file | https://www.mdpi.com/1996-1073/10/4/545/xml |
| article pdf uploaded. | 17 April 2017 13:38 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/4/545/pdf |
