| article html file updated | 8 February 2020 11:03 CET | Update | https://www.mdpi.com/1996-1073/10/7/997 |
| article html file updated | 25 September 2019 22:58 CEST | Update | - |
| article html file updated | 3 May 2019 12:18 CEST | Update | - |
| article html file updated | 31 July 2017 07:16 CEST | Update | - |
| article html file updated | 14 July 2017 14:27 CEST | Update | - |
| article html file updated | 14 July 2017 14:25 CEST | Update | - |
| article html file updated | 14 July 2017 14:25 CEST | Original file | - |
| article xml uploaded. | 14 July 2017 14:23 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/997/xml |
| article pdf uploaded. | 14 July 2017 14:23 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/997/pdf |
