| article html file updated | 7 February 2020 07:33 CET | Update | https://www.mdpi.com/2073-8994/8/4/25 |
| article html file updated | 5 May 2019 18:03 CEST | Update | - |
| article html file updated | 27 March 2019 02:28 CET | Update | - |
| article html file updated | 27 April 2016 10:55 CEST | Update | - |
| article html file updated | 22 April 2016 02:38 CEST | Update | - |
| article xml uploaded. | 22 April 2016 02:37 CEST | Update | https://www.mdpi.com/2073-8994/8/4/25/xml |
| article pdf uploaded. | 22 April 2016 02:37 CEST | Updated version of record | https://www.mdpi.com/2073-8994/8/4/25/pdf |
| article html file updated | 20 April 2016 16:24 CEST | Original file | - |
| article pdf uploaded. | 20 April 2016 16:22 CEST | Version of Record | https://www.mdpi.com/2073-8994/8/4/25/pdf-vor |
