| article html file updated | 7 February 2020 15:28 CET | Update | https://www.mdpi.com/2079-6382/5/4/33 |
| article html file updated | 22 September 2019 01:31 CEST | Update | - |
| article html file updated | 5 May 2019 03:15 CEST | Update | - |
| article html file updated | 27 December 2016 02:11 CET | Update | - |
| article html file updated | 29 September 2016 02:51 CEST | Update | - |
| article xml uploaded. | 29 September 2016 02:50 CEST | Update | https://www.mdpi.com/2079-6382/5/4/33/xml |
| article pdf uploaded. | 29 September 2016 02:50 CEST | Updated version of record | https://www.mdpi.com/2079-6382/5/4/33/pdf |
| article html file updated | 23 September 2016 14:21 CEST | Original file | - |
| article xml uploaded. | 23 September 2016 14:19 CEST | Update | - |
| article xml uploaded. | 23 September 2016 14:19 CEST | Original file | - |
| article pdf uploaded. | 23 September 2016 14:19 CEST | Version of Record | https://www.mdpi.com/2079-6382/5/4/33/pdf-vor |
