| article html file updated | 10 February 2020 21:44 CET | Update | https://www.mdpi.com/2073-431X/7/4/63 |
| article html file updated | 28 April 2019 07:14 CEST | Update | - |
| article html file updated | 14 April 2019 03:04 CEST | Update | - |
| article html file updated | 1 April 2019 22:08 CEST | Update | - |
| article html file updated | 26 December 2018 05:06 CET | Update | - |
| article html file updated | 16 November 2018 10:49 CET | Original file | - |
| article pdf uploaded. | 16 November 2018 10:48 CET | Version of Record | https://www.mdpi.com/2073-431X/7/4/63/pdf |
| article xml uploaded. | 16 November 2018 10:48 CET | Update | https://www.mdpi.com/2073-431X/7/4/63/xml |
| article xml file uploaded | 16 November 2018 10:48 CET | Original file | - |
