| article html file updated | 8 February 2020 08:25 CET | Update | https://www.mdpi.com/1996-1073/10/6/814 |
| article html file updated | 25 September 2019 09:11 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:12 CEST | Update | N/A |
| article html file updated | 27 June 2017 10:22 CEST | Update | N/A |
| article html file updated | 15 June 2017 15:11 CEST | Original file | N/A |
| article xml uploaded. | 15 June 2017 15:10 CEST | Original file | https://www.mdpi.com/1996-1073/10/6/814/xml |
| article pdf uploaded. | 15 June 2017 15:10 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/814/pdf |
