| article html file updated | 7 February 2020 11:39 CET | Update | https://www.mdpi.com/2073-8994/8/7/63 |
| article html file updated | 5 May 2019 10:13 CEST | Update | N/A |
| article html file updated | 27 March 2019 10:12 CET | Update | N/A |
| article html file updated | 28 July 2016 09:23 CEST | Update | N/A |
| article html file updated | 14 July 2016 08:44 CEST | Original file | N/A |
| article xml uploaded. | 14 July 2016 08:43 CEST | Original file | https://www.mdpi.com/2073-8994/8/7/63/xml |
| article pdf uploaded. | 14 July 2016 08:43 CEST | Version of Record | https://www.mdpi.com/2073-8994/8/7/63/pdf |
