| article html file updated | 8 February 2020 16:07 CET | Update | https://www.mdpi.com/1996-1073/10/9/1391 |
| article html file updated | 27 September 2019 03:03 CEST | Update | N/A |
| article html file updated | 3 May 2019 02:07 CEST | Update | N/A |
| article html file updated | 30 September 2017 08:05 CEST | Update | N/A |
| article html file updated | 13 September 2017 14:38 CEST | Original file | N/A |
| article xml uploaded. | 13 September 2017 14:37 CEST | Original file | https://www.mdpi.com/1996-1073/10/9/1391/xml |
| article pdf uploaded. | 13 September 2017 14:37 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1391/pdf |
