| article html file updated | 8 February 2020 11:03 CET | Update | https://www.mdpi.com/2308-3417/2/3/23 |
| article html file updated | 25 September 2019 22:59 CEST | Update | - |
| article html file updated | 3 May 2019 12:18 CEST | Update | - |
| article html file updated | 17 July 2017 08:26 CEST | Update | - |
| article html file updated | 17 July 2017 08:25 CEST | Update | - |
| article html file updated | 17 July 2017 08:25 CEST | Original file | - |
| article xml uploaded. | 17 July 2017 08:23 CEST | Original file | https://www.mdpi.com/2308-3417/2/3/23/xml |
| article pdf uploaded. | 17 July 2017 08:23 CEST | Updated version of record | https://www.mdpi.com/2308-3417/2/3/23/pdf |
| article pdf uploaded. | 14 July 2017 14:29 CEST | Version of Record | https://www.mdpi.com/2308-3417/2/3/23/pdf-vor |
