| article html file updated | 12 February 2020 04:18 CET | Update | https://www.mdpi.com/2227-7102/9/2/74 |
| article html file updated | 18 October 2019 02:05 CEST | Update | N/A |
| article html file updated | 4 July 2019 17:53 CEST | Update | N/A |
| article html file updated | 25 April 2019 14:16 CEST | Update | N/A |
| article html file updated | 11 April 2019 10:46 CEST | Update | N/A |
| article html file updated | 10 April 2019 23:29 CEST | Original file | N/A |
| article pdf uploaded. | 10 April 2019 12:51 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/2/74/pdf |
| article xml uploaded. | 10 April 2019 12:51 CEST | Update | https://www.mdpi.com/2227-7102/9/2/74/xml |
| article xml file uploaded | 10 April 2019 12:51 CEST | Original file | N/A |
