| article html file updated | 7 February 2020 15:03 CET | Update | https://www.mdpi.com/2079-6382/5/3/31 |
| article html file updated | 5 May 2019 03:59 CEST | Update | - |
| article html file updated | 28 September 2016 07:50 CEST | Update | - |
| article html file updated | 15 September 2016 10:43 CEST | Original file | - |
| article xml uploaded. | 15 September 2016 10:42 CEST | Update | https://www.mdpi.com/2079-6382/5/3/31/xml |
| article xml uploaded. | 15 September 2016 10:42 CEST | Original file | - |
| article pdf uploaded. | 15 September 2016 10:42 CEST | Version of Record | https://www.mdpi.com/2079-6382/5/3/31/pdf |
