| article html file updated | 7 February 2020 08:30 CET | Update | https://www.mdpi.com/2073-4352/6/5/51 |
| article html file updated | 5 May 2019 16:11 CEST | Update | N/A |
| article html file updated | 27 March 2019 04:19 CET | Update | N/A |
| article html file updated | 26 May 2016 12:17 CEST | Update | N/A |
| article html file updated | 11 May 2016 14:25 CEST | Original file | N/A |
| article xml uploaded. | 11 May 2016 14:24 CEST | Original file | https://www.mdpi.com/2073-4352/6/5/51/xml |
| article pdf uploaded. | 11 May 2016 14:24 CEST | Version of Record | https://www.mdpi.com/2073-4352/6/5/51/pdf |
