| article html file updated | 8 February 2020 10:16 CET | Update | https://www.mdpi.com/2073-431X/6/3/23 |
| article html file updated | 25 September 2019 19:00 CEST | Update | - |
| article html file updated | 3 May 2019 13:44 CEST | Update | - |
| article html file updated | 30 September 2017 11:56 CEST | Update | - |
| article html file updated | 6 July 2017 12:16 CEST | Original file | - |
| article xml uploaded. | 6 July 2017 12:15 CEST | Original file | https://www.mdpi.com/2073-431X/6/3/23/xml |
| article pdf uploaded. | 6 July 2017 12:15 CEST | Version of Record | https://www.mdpi.com/2073-431X/6/3/23/pdf |
