| article html file updated | 8 February 2020 06:21 CET | Update | https://www.mdpi.com/1996-1073/10/5/734 |
| article html file updated | 24 September 2019 22:32 CEST | Update | - |
| article html file updated | 3 May 2019 21:05 CEST | Update | - |
| article html file updated | 27 May 2017 03:26 CEST | Update | - |
| article html file updated | 22 May 2017 15:21 CEST | Original file | - |
| article xml uploaded. | 22 May 2017 15:19 CEST | Original file | https://www.mdpi.com/1996-1073/10/5/734/xml |
| article pdf uploaded. | 22 May 2017 15:19 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/5/734/pdf |
| article pdf uploaded. | 20 May 2017 13:15 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/5/734/pdf-vor |
