| article html file updated | 8 February 2020 07:39 CET | Update | https://www.mdpi.com/2071-1050/9/6/982 |
| article html file updated | 3 May 2019 18:39 CEST | Update | - |
| article html file updated | 28 June 2017 14:43 CEST | Update | - |
| article html file updated | 8 June 2017 08:04 CEST | Original file | - |
| article xml uploaded. | 8 June 2017 08:02 CEST | Original file | https://www.mdpi.com/2071-1050/9/6/982/xml |
| article pdf uploaded. | 8 June 2017 08:02 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/6/982/pdf |
| article pdf uploaded. | 7 June 2017 10:20 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/982/pdf-vor |
