| article html file updated | 7 February 2020 12:08 CET | Update | https://www.mdpi.com/2076-3425/6/3/23 |
| article html file updated | 21 September 2019 21:32 CEST | Update | - |
| article html file updated | 5 May 2019 09:22 CEST | Update | - |
| article html file updated | 27 March 2019 11:06 CET | Update | - |
| article html file updated | 28 September 2016 11:41 CEST | Update | - |
| article html file updated | 22 July 2016 11:45 CEST | Original file | - |
| article xml uploaded. | 22 July 2016 11:43 CEST | Original file | https://www.mdpi.com/2076-3425/6/3/23/xml |
| article pdf uploaded. | 22 July 2016 11:43 CEST | Version of Record | https://www.mdpi.com/2076-3425/6/3/23/pdf |
