| article html file updated | 7 February 2020 12:48 CET | Update | https://www.mdpi.com/2073-4344/6/8/120 |
| article html file updated | 5 May 2019 08:04 CEST | Update | N/A |
| article html file updated | 27 March 2019 12:32 CET | Update | N/A |
| article html file updated | 25 August 2016 11:45 CEST | Update | N/A |
| article html file updated | 4 August 2016 10:21 CEST | Original file | N/A |
| article xml uploaded. | 4 August 2016 10:20 CEST | Update | https://www.mdpi.com/2073-4344/6/8/120/xml |
| article pdf uploaded. | 4 August 2016 10:20 CEST | Version of Record | https://www.mdpi.com/2073-4344/6/8/120/pdf |
