| article html file updated | 8 February 2020 16:43 CET | Update | https://www.mdpi.com/2079-9292/6/3/69 |
| article html file updated | 27 September 2019 06:28 CEST | Update | - |
| article html file updated | 3 May 2019 00:58 CEST | Update | - |
| article html file updated | 30 September 2017 07:52 CEST | Update | - |
| article html file updated | 21 September 2017 05:59 CEST | Update | - |
| article xml uploaded. | 21 September 2017 05:57 CEST | Update | https://www.mdpi.com/2079-9292/6/3/69/xml |
| article pdf uploaded. | 21 September 2017 05:57 CEST | Updated version of record | https://www.mdpi.com/2079-9292/6/3/69/pdf |
| article html file updated | 20 September 2017 15:25 CEST | Original file | - |
| article xml uploaded. | 20 September 2017 15:24 CEST | Original file | - |
| article pdf uploaded. | 20 September 2017 15:24 CEST | Version of Record | https://www.mdpi.com/2079-9292/6/3/69/pdf-vor |
