| article html file updated | 8 February 2020 07:57 CET | Update | https://www.mdpi.com/1996-1073/10/6/794 |
| article html file updated | 25 September 2019 06:43 CEST | Update | - |
| article html file updated | 3 May 2019 18:03 CEST | Update | - |
| article html file updated | 27 June 2017 10:18 CEST | Update | - |
| article html file updated | 14 June 2017 08:26 CEST | Original file | - |
| article xml uploaded. | 14 June 2017 08:25 CEST | Original file | https://www.mdpi.com/1996-1073/10/6/794/xml |
| article pdf uploaded. | 14 June 2017 08:25 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/6/794/pdf |
| article pdf uploaded. | 10 June 2017 11:44 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/794/pdf-vor |
