| article html file updated | 7 February 2020 06:43 CET | Update | https://www.mdpi.com/2073-4441/8/4/127 |
| article html file updated | 21 September 2019 14:22 CEST | Update | - |
| article html file updated | 5 May 2019 19:47 CEST | Update | - |
| article html file updated | 27 March 2019 00:51 CET | Update | - |
| article html file updated | 28 April 2016 12:18 CEST | Update | - |
| article html file updated | 1 April 2016 14:07 CEST | Original file | - |
| article xml uploaded. | 1 April 2016 14:05 CEST | Original file | https://www.mdpi.com/2073-4441/8/4/127/xml |
| article pdf uploaded. | 1 April 2016 14:05 CEST | Version of Record | https://www.mdpi.com/2073-4441/8/4/127/pdf |
