| article html file updated | 8 February 2020 10:53 CET | Update | https://www.mdpi.com/1996-1073/10/7/987 |
| article html file updated | 25 September 2019 22:04 CEST | Update | - |
| article html file updated | 3 May 2019 12:37 CEST | Update | - |
| article html file updated | 31 July 2017 07:14 CEST | Update | - |
| article html file updated | 13 July 2017 11:01 CEST | Original file | - |
| article xml uploaded. | 13 July 2017 10:59 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/987/xml |
| article pdf uploaded. | 13 July 2017 10:59 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/987/pdf |
