| article html file updated | 8 February 2020 09:49 CET | Update | https://www.mdpi.com/1996-1073/10/7/900 |
| article html file updated | 25 September 2019 16:40 CEST | Update | - |
| article html file updated | 3 May 2019 14:34 CEST | Update | - |
| article html file updated | 31 July 2017 06:57 CEST | Update | - |
| article html file updated | 3 July 2017 15:18 CEST | Original file | - |
| article xml uploaded. | 3 July 2017 15:16 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/900/xml |
| article pdf uploaded. | 3 July 2017 15:16 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/7/900/pdf |
| article pdf uploaded. | 1 July 2017 10:47 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/900/pdf-vor |
