| article html file updated | 8 February 2020 15:06 CET | Update | https://www.mdpi.com/1996-1073/10/9/1321 |
| article html file updated | 26 September 2019 21:39 CEST | Update | - |
| article html file updated | 3 May 2019 03:57 CEST | Update | - |
| article html file updated | 30 September 2017 08:19 CEST | Update | - |
| article html file updated | 3 September 2017 12:46 CEST | Original file | - |
| article xml uploaded. | 3 September 2017 12:44 CEST | Original file | https://www.mdpi.com/1996-1073/10/9/1321/xml |
| article pdf uploaded. | 3 September 2017 12:44 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/9/1321/pdf |
| article pdf uploaded. | 1 September 2017 15:56 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1321/pdf-vor |
