| article html file updated | 8 February 2020 06:21 CET | Update | https://www.mdpi.com/1996-1073/10/5/728 |
| article html file updated | 24 September 2019 22:29 CEST | Update | - |
| article html file updated | 3 May 2019 21:06 CEST | Update | - |
| article html file updated | 27 May 2017 03:25 CEST | Update | - |
| article html file updated | 24 May 2017 03:07 CEST | Original file | - |
| article xml uploaded. | 24 May 2017 03:05 CEST | Update | https://www.mdpi.com/1996-1073/10/5/728/xml |
| article pdf uploaded. | 20 May 2017 13:24 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/5/728/pdf |
