| article html file updated | 7 February 2020 16:29 CET | Update | https://www.mdpi.com/2079-9292/5/4/69 |
| article html file updated | 22 September 2019 03:08 CEST | Update | N/A |
| article html file updated | 5 May 2019 01:24 CEST | Update | N/A |
| article html file updated | 29 December 2016 11:04 CET | Update | N/A |
| article html file updated | 17 October 2016 13:35 CEST | Original file | N/A |
| article xml uploaded. | 17 October 2016 13:34 CEST | Update | https://www.mdpi.com/2079-9292/5/4/69/xml |
| article xml uploaded. | 17 October 2016 13:34 CEST | Original file | N/A |
| article pdf uploaded. | 17 October 2016 13:34 CEST | Version of Record | https://www.mdpi.com/2079-9292/5/4/69/pdf |
