| article html file updated | 8 February 2020 05:17 CET | Update | https://www.mdpi.com/2079-9292/6/2/36 |
| article html file updated | 24 September 2019 16:55 CEST | Update | - |
| article html file updated | 3 May 2019 23:07 CEST | Update | - |
| article html file updated | 28 June 2017 13:02 CEST | Update | - |
| article html file updated | 23 May 2017 03:50 CEST | Update | - |
| article html file updated | 9 May 2017 12:04 CEST | Original file | - |
| article xml uploaded. | 9 May 2017 12:03 CEST | Update | https://www.mdpi.com/2079-9292/6/2/36/xml |
| article pdf uploaded. | 9 May 2017 12:03 CEST | Updated version of record | https://www.mdpi.com/2079-9292/6/2/36/pdf |
| article pdf uploaded. | 7 May 2017 10:14 CEST | Version of Record | https://www.mdpi.com/2079-9292/6/2/36/pdf-vor |
