| article html file updated | 9 February 2020 13:22 CET | Update | https://www.mdpi.com/2073-4344/8/4/155 |
| article html file updated | 2 October 2019 12:05 CEST | Update | - |
| article html file updated | 1 May 2019 04:23 CEST | Update | - |
| article html file updated | 17 April 2019 04:41 CEST | Update | - |
| article html file updated | 29 March 2019 14:39 CET | Update | - |
| article html file updated | 1 May 2018 14:47 CEST | Update | - |
| article html file updated | 11 April 2018 15:08 CEST | Original file | - |
| article xml uploaded. | 11 April 2018 15:07 CEST | Update | https://www.mdpi.com/2073-4344/8/4/155/xml |
| article pdf uploaded. | 11 April 2018 15:07 CEST | Version of Record | https://www.mdpi.com/2073-4344/8/4/155/pdf |
