| article html file updated | 8 February 2020 01:15 CET | Update | https://www.mdpi.com/1996-1944/10/3/281 |
| article html file updated | 23 September 2019 18:39 CEST | Update | - |
| article html file updated | 4 May 2019 07:10 CEST | Update | - |
| article html file updated | 29 March 2017 06:30 CEST | Update | - |
| article html file updated | 11 March 2017 07:51 CET | Original file | - |
| article xml uploaded. | 11 March 2017 07:50 CET | Original file | https://www.mdpi.com/1996-1944/10/3/281/xml |
| article pdf uploaded. | 11 March 2017 07:50 CET | Version of Record | https://www.mdpi.com/1996-1944/10/3/281/pdf |
