| article html file updated | 8 February 2020 07:37 CET | Update | https://www.mdpi.com/1996-1073/10/6/780 |
| article html file updated | 25 September 2019 04:59 CEST | Update | - |
| article html file updated | 3 May 2019 18:43 CEST | Update | - |
| article html file updated | 27 June 2017 10:14 CEST | Update | - |
| article html file updated | 6 June 2017 13:56 CEST | Original file | - |
| article xml uploaded. | 6 June 2017 13:55 CEST | Original file | https://www.mdpi.com/1996-1073/10/6/780/xml |
| article pdf uploaded. | 6 June 2017 13:55 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/780/pdf |
