| article html file updated | 7 February 2020 11:20 CET | Update | https://www.mdpi.com/2308-3417/1/3/17 |
| article html file updated | 5 May 2019 10:49 CEST | Update | - |
| article html file updated | 27 March 2019 09:36 CET | Update | - |
| article html file updated | 7 July 2016 11:48 CEST | Original file | - |
| article xml uploaded. | 7 July 2016 11:46 CEST | Original file | https://www.mdpi.com/2308-3417/1/3/17/xml |
| article pdf uploaded. | 7 July 2016 11:46 CEST | Version of Record | https://www.mdpi.com/2308-3417/1/3/17/pdf |
