| article html file updated | 8 February 2020 06:59 CET | Update | https://www.mdpi.com/1996-1073/10/6/759 |
| article html file updated | 25 September 2019 01:44 CEST | Update | - |
| article html file updated | 3 May 2019 19:54 CEST | Update | - |
| article html file updated | 27 June 2017 10:09 CEST | Update | - |
| article html file updated | 1 June 2017 10:09 CEST | Original file | - |
| article xml uploaded. | 1 June 2017 10:08 CEST | Update | https://www.mdpi.com/1996-1073/10/6/759/xml |
| article pdf uploaded. | 1 June 2017 10:08 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/6/759/pdf |
| article pdf uploaded. | 29 May 2017 11:06 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/759/pdf-vor |
