| article html file updated | 8 February 2020 02:22 CET | Update | https://www.mdpi.com/1996-1944/10/4/351 |
| article html file updated | 24 September 2019 00:56 CEST | Update | - |
| article html file updated | 4 May 2019 04:46 CEST | Update | - |
| article html file updated | 28 April 2017 09:07 CEST | Update | - |
| article html file updated | 28 March 2017 09:48 CEST | Original file | - |
| article xml uploaded. | 28 March 2017 09:37 CEST | Original file | https://www.mdpi.com/1996-1944/10/4/351/xml |
| article pdf uploaded. | 28 March 2017 09:37 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/4/351/pdf |
