| article html file updated | 8 February 2020 15:49 CET | Update | https://www.mdpi.com/1996-1073/10/9/1371 |
| article html file updated | 27 September 2019 01:31 CEST | Update | - |
| article html file updated | 3 May 2019 02:39 CEST | Update | - |
| article html file updated | 30 September 2017 08:10 CEST | Update | - |
| article html file updated | 11 September 2017 09:34 CEST | Original file | - |
| article xml uploaded. | 11 September 2017 09:32 CEST | Update | https://www.mdpi.com/1996-1073/10/9/1371/xml |
| article xml uploaded. | 11 September 2017 09:32 CEST | Original file | - |
| article pdf uploaded. | 11 September 2017 09:32 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/9/1371/pdf |
| article pdf uploaded. | 10 September 2017 16:54 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1371/pdf-vor |
