| article html file updated | 7 February 2020 17:37 CET | Update | https://www.mdpi.com/2079-9276/5/4/36 |
| article html file updated | 22 September 2019 04:53 CEST | Update | - |
| article html file updated | 4 May 2019 23:18 CEST | Update | - |
| article html file updated | 30 December 2016 09:13 CET | Update | - |
| article html file updated | 7 November 2016 09:32 CET | Original file | - |
| article xml uploaded. | 7 November 2016 09:31 CET | Update | https://www.mdpi.com/2079-9276/5/4/36/xml |
| article xml uploaded. | 7 November 2016 09:30 CET | Original file | - |
| article pdf uploaded. | 7 November 2016 09:30 CET | Version of Record | https://www.mdpi.com/2079-9276/5/4/36/pdf |
