| article html file updated | 7 February 2020 13:31 CET | Update | https://www.mdpi.com/1996-1944/9/8/704 |
| article html file updated | 5 May 2019 06:47 CEST | Update | N/A |
| article html file updated | 27 March 2019 14:01 CET | Update | N/A |
| article html file updated | 26 August 2016 07:13 CEST | Update | N/A |
| article html file updated | 18 August 2016 12:21 CEST | Original file | N/A |
| article xml uploaded. | 18 August 2016 12:19 CEST | Original file | https://www.mdpi.com/1996-1944/9/8/704/xml |
| article pdf uploaded. | 18 August 2016 12:19 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/8/704/pdf |
