| article html file updated | 8 February 2020 16:28 CET | Update | https://www.mdpi.com/1996-1073/10/9/1435 |
| article html file updated | 27 September 2019 05:04 CEST | Update | - |
| article html file updated | 3 May 2019 01:27 CEST | Update | - |
| article html file updated | 30 September 2017 07:57 CEST | Update | - |
| article html file updated | 19 September 2017 13:06 CEST | Original file | - |
| article xml uploaded. | 19 September 2017 13:05 CEST | Original file | https://www.mdpi.com/1996-1073/10/9/1435/xml |
| article pdf uploaded. | 19 September 2017 13:05 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/9/1435/pdf |
| article pdf uploaded. | 18 September 2017 12:20 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1435/pdf-vor |