| article html file updated | 7 February 2020 08:16 CET | Update | https://www.mdpi.com/1996-1073/9/5/341 |
| article html file updated | 5 May 2019 16:38 CEST | Update | - |
| article html file updated | 27 March 2019 03:54 CET | Update | - |
| article html file updated | 26 May 2016 12:48 CEST | Update | - |
| article html file updated | 6 May 2016 12:01 CEST | Original file | - |
| article xml uploaded. | 6 May 2016 12:00 CEST | Original file | https://www.mdpi.com/1996-1073/9/5/341/xml |
| article pdf uploaded. | 6 May 2016 12:00 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/5/341/pdf |
