| article html file updated | 12 February 2020 06:27 CET | Update | https://www.mdpi.com/2076-3271/7/4/61 |
| article html file updated | 18 October 2019 15:45 CEST | Update | - |
| article html file updated | 8 May 2019 22:09 CEST | Update | - |
| article html file updated | 25 April 2019 09:13 CEST | Update | - |
| article html file updated | 19 April 2019 11:10 CEST | Original file | - |
| article pdf uploaded. | 19 April 2019 11:09 CEST | Version of Record | https://www.mdpi.com/2076-3271/7/4/61/pdf |
| article xml uploaded. | 19 April 2019 11:09 CEST | Update | https://www.mdpi.com/2076-3271/7/4/61/xml |
| article xml file uploaded | 19 April 2019 11:09 CEST | Original file | - |
