| article html file updated | 9 February 2020 13:14 CET | Update | https://www.mdpi.com/2308-3417/3/2/18 |
| article html file updated | 2 October 2019 11:17 CEST | Update | - |
| article html file updated | 1 May 2019 04:39 CEST | Update | - |
| article html file updated | 17 April 2019 04:55 CEST | Update | - |
| article html file updated | 29 March 2019 14:21 CET | Update | - |
| article html file updated | 11 December 2018 08:46 CET | Update | - |
| article html file updated | 10 April 2018 15:07 CEST | Original file | - |
| article xml uploaded. | 10 April 2018 15:06 CEST | Original file | https://www.mdpi.com/2308-3417/3/2/18/xml |
| article pdf uploaded. | 10 April 2018 15:06 CEST | Version of Record | https://www.mdpi.com/2308-3417/3/2/18/pdf |
