| article html file updated | 7 February 2020 11:51 CET | Update | https://www.mdpi.com/2308-3417/1/3/18 |
| article html file updated | 21 September 2019 21:11 CEST | Update | - |
| article html file updated | 5 May 2019 09:51 CEST | Update | - |
| article html file updated | 27 March 2019 10:35 CET | Update | - |
| article html file updated | 18 July 2016 11:15 CEST | Original file | - |
| article xml uploaded. | 18 July 2016 11:14 CEST | Original file | https://www.mdpi.com/2308-3417/1/3/18/xml |
| article pdf uploaded. | 18 July 2016 11:14 CEST | Version of Record | https://www.mdpi.com/2308-3417/1/3/18/pdf |
