| article html file updated | 8 February 2020 16:01 CET | Update | https://www.mdpi.com/1996-1073/10/9/1387 |
| article html file updated | 3 May 2019 02:18 CEST | Update | - |
| article html file updated | 30 September 2017 08:06 CEST | Update | - |
| article html file updated | 13 September 2017 12:55 CEST | Original file | - |
| article xml uploaded. | 13 September 2017 12:54 CEST | Original file | https://www.mdpi.com/1996-1073/10/9/1387/xml |
| article pdf uploaded. | 13 September 2017 12:54 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/9/1387/pdf |
| article pdf uploaded. | 12 September 2017 14:01 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1387/pdf-vor |
