| article html file updated | 8 February 2020 07:05 CET | Update | https://www.mdpi.com/1996-1944/10/6/600 |
| article html file updated | 25 September 2019 02:16 CEST | Update | - |
| article html file updated | 3 May 2019 19:43 CEST | Update | - |
| article html file updated | 27 June 2017 10:46 CEST | Update | - |
| article html file updated | 31 May 2017 11:42 CEST | Original file | - |
| article xml uploaded. | 31 May 2017 11:40 CEST | Update | https://www.mdpi.com/1996-1944/10/6/600/xml |
| article pdf uploaded. | 31 May 2017 11:40 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/6/600/pdf |
