| article html file updated | 7 February 2020 15:24 CET | Update | https://www.mdpi.com/2076-0825/5/4/23 |
| article html file updated | 5 May 2019 03:23 CEST | Update | - |
| article html file updated | 29 December 2016 06:42 CET | Update | - |
| article html file updated | 26 September 2016 12:34 CEST | Update | - |
| article xml uploaded. | 26 September 2016 12:33 CEST | Update | https://www.mdpi.com/2076-0825/5/4/23/xml |
| article xml uploaded. | 26 September 2016 12:33 CEST | Update | - |
| article pdf uploaded. | 26 September 2016 12:33 CEST | Updated version of record | https://www.mdpi.com/2076-0825/5/4/23/pdf |
| article html file updated | 22 September 2016 11:28 CEST | Original file | - |
| article xml uploaded. | 22 September 2016 11:27 CEST | Update | - |
| article xml uploaded. | 22 September 2016 11:27 CEST | Original file | - |
| article pdf uploaded. | 22 September 2016 11:27 CEST | Version of Record | https://www.mdpi.com/2076-0825/5/4/23/pdf-vor |
