| article html file updated | 8 February 2020 04:52 CET | Update | https://www.mdpi.com/1996-1073/10/5/614 |
| article html file updated | 24 September 2019 14:53 CEST | Update | - |
| article html file updated | 3 May 2019 23:50 CEST | Update | - |
| article html file updated | 27 May 2017 03:04 CEST | Update | - |
| article html file updated | 23 May 2017 03:31 CEST | Update | - |
| article html file updated | 2 May 2017 13:08 CEST | Original file | - |
| article xml uploaded. | 2 May 2017 13:07 CEST | Original file | https://www.mdpi.com/1996-1073/10/5/614/xml |
| article pdf uploaded. | 2 May 2017 13:07 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/5/614/pdf |
