| article html file updated | 8 February 2020 08:12 CET | Update | https://www.mdpi.com/1996-1073/10/6/804 |
| article html file updated | 25 September 2019 07:54 CEST | Update | - |
| article html file updated | 3 May 2019 17:38 CEST | Update | - |
| article html file updated | 27 June 2017 10:20 CEST | Update | - |
| article html file updated | 15 June 2017 09:44 CEST | Original file | - |
| article xml uploaded. | 15 June 2017 09:43 CEST | Update | https://www.mdpi.com/1996-1073/10/6/804/xml |
| article pdf uploaded. | 15 June 2017 09:43 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/6/804/pdf |
| article pdf uploaded. | 13 June 2017 13:09 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/804/pdf-vor |
