| article html file updated | 8 February 2020 08:23 CET | Update | https://www.mdpi.com/1996-1073/10/6/813 |
| article html file updated | 25 September 2019 08:58 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:17 CEST | Update | N/A |
| article html file updated | 27 June 2017 10:22 CEST | Update | N/A |
| article html file updated | 15 June 2017 13:59 CEST | Original file | N/A |
| article xml uploaded. | 15 June 2017 13:57 CEST | Original file | https://www.mdpi.com/1996-1073/10/6/813/xml |
| article pdf uploaded. | 15 June 2017 13:57 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/813/pdf |
