| article html file updated | 8 February 2020 08:09 CET | Update | https://www.mdpi.com/1996-1073/10/6/803 |
| article html file updated | 25 September 2019 07:38 CEST | Update | - |
| article html file updated | 3 May 2019 17:44 CEST | Update | - |
| article html file updated | 27 June 2017 10:20 CEST | Update | - |
| article html file updated | 15 June 2017 09:39 CEST | Original file | - |
| article xml uploaded. | 15 June 2017 09:38 CEST | Original file | https://www.mdpi.com/1996-1073/10/6/803/xml |
| article pdf uploaded. | 15 June 2017 09:38 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/803/pdf |
