| article html file updated | 9 February 2020 11:14 CET | Update | https://www.mdpi.com/2225-1146/6/2/17 |
| article html file updated | 1 October 2019 23:19 CEST | Update | - |
| article html file updated | 1 May 2019 08:46 CEST | Update | - |
| article html file updated | 17 April 2019 08:41 CEST | Update | - |
| article html file updated | 29 March 2019 09:46 CET | Update | - |
| article html file updated | 26 June 2018 04:56 CEST | Update | - |
| article html file updated | 26 March 2018 08:36 CEST | Original file | - |
| article xml uploaded. | 26 March 2018 08:34 CEST | Original file | https://www.mdpi.com/2225-1146/6/2/17/xml |
| article pdf uploaded. | 26 March 2018 08:34 CEST | Version of Record | https://www.mdpi.com/2225-1146/6/2/17/pdf |
