| article html file updated | 8 February 2020 14:31 CET | Update | https://www.mdpi.com/1996-1944/10/9/997 |
| article html file updated | 26 September 2019 18:19 CEST | Update | - |
| article html file updated | 3 May 2019 05:04 CEST | Update | - |
| article html file updated | 30 September 2017 09:01 CEST | Update | - |
| article html file updated | 27 August 2017 04:08 CEST | Original file | - |
| article xml uploaded. | 27 August 2017 04:07 CEST | Original file | https://www.mdpi.com/1996-1944/10/9/997/xml |
| article pdf uploaded. | 27 August 2017 04:07 CEST | Updated version of record | https://www.mdpi.com/1996-1944/10/9/997/pdf |
| article pdf uploaded. | 25 August 2017 13:37 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/9/997/pdf-vor |
