| article html file updated | 8 February 2020 08:02 CET | Update | https://www.mdpi.com/1996-1073/10/6/796 |
| article html file updated | 25 September 2019 07:08 CEST | Update | - |
| article html file updated | 3 May 2019 17:55 CEST | Update | - |
| article html file updated | 27 June 2017 10:18 CEST | Update | - |
| article html file updated | 12 June 2017 11:53 CEST | Original file | - |
| article xml uploaded. | 12 June 2017 11:51 CEST | Original file | https://www.mdpi.com/1996-1073/10/6/796/xml |
| article pdf uploaded. | 12 June 2017 11:51 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/6/796/pdf |
| article pdf uploaded. | 11 June 2017 12:03 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/796/pdf-vor |