| article html file updated | 8 February 2020 08:56 CET | Update | https://www.mdpi.com/1996-1073/10/7/837 |
| article html file updated | 25 September 2019 11:52 CEST | Update | - |
| article html file updated | 3 May 2019 16:12 CEST | Update | - |
| article html file updated | 31 July 2017 06:43 CEST | Update | - |
| article html file updated | 22 June 2017 15:00 CEST | Original file | - |
| article xml uploaded. | 22 June 2017 14:59 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/837/xml |
| article pdf uploaded. | 22 June 2017 14:59 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/7/837/pdf |
| article pdf uploaded. | 22 June 2017 14:15 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/837/pdf-vor |
