| article html file updated | 7 February 2020 06:41 CET | Update | https://www.mdpi.com/2073-4441/8/4/126 |
| article html file updated | 5 May 2019 19:53 CEST | Update | N/A |
| article html file updated | 27 March 2019 00:46 CET | Update | N/A |
| article html file updated | 28 April 2016 12:18 CEST | Update | N/A |
| article html file updated | 31 March 2016 10:45 CEST | Original file | N/A |
| article xml uploaded. | 31 March 2016 10:44 CEST | Original file | https://www.mdpi.com/2073-4441/8/4/126/xml |
| article pdf uploaded. | 31 March 2016 10:44 CEST | Version of Record | https://www.mdpi.com/2073-4441/8/4/126/pdf |
