| article html file updated | 8 February 2020 19:48 CET | Update | https://www.mdpi.com/2071-1050/9/11/1984 |
| article html file updated | 2 May 2019 18:10 CEST | Update | - |
| article html file updated | 30 November 2017 12:20 CET | Update | - |
| article html file updated | 31 October 2017 12:12 CET | Original file | - |
| article xml uploaded. | 31 October 2017 12:10 CET | Original file | https://www.mdpi.com/2071-1050/9/11/1984/xml |
| article pdf uploaded. | 31 October 2017 12:10 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/11/1984/pdf |
| article pdf uploaded. | 30 October 2017 10:44 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/1984/pdf-vor |
