| article html file updated | 7 February 2020 12:04 CET | Update | https://www.mdpi.com/2079-6439/4/3/23 |
| article html file updated | 5 May 2019 09:28 CEST | Update | - |
| article html file updated | 27 March 2019 11:00 CET | Update | - |
| article html file updated | 28 September 2016 22:51 CEST | Update | - |
| article html file updated | 21 July 2016 14:12 CEST | Original file | - |
| article xml uploaded. | 21 July 2016 14:10 CEST | Original file | https://www.mdpi.com/2079-6439/4/3/23/xml |
| article pdf uploaded. | 21 July 2016 14:10 CEST | Version of Record | https://www.mdpi.com/2079-6439/4/3/23/pdf |
