| article html file updated | 12 February 2020 04:14 CET | Update | https://www.mdpi.com/2227-9032/7/2/60 |
| article html file updated | 18 October 2019 01:37 CEST | Update | N/A |
| article html file updated | 5 July 2019 14:36 CEST | Update | N/A |
| article html file updated | 5 July 2019 08:22 CEST | Update | N/A |
| article html file updated | 25 April 2019 14:25 CEST | Update | N/A |
| article html file updated | 11 April 2019 10:55 CEST | Update | N/A |
| article html file updated | 10 April 2019 22:48 CEST | Original file | N/A |
| article pdf uploaded. | 10 April 2019 11:13 CEST | Version of Record | https://www.mdpi.com/2227-9032/7/2/60/pdf |
| article xml uploaded. | 10 April 2019 11:13 CEST | Update | https://www.mdpi.com/2227-9032/7/2/60/xml |
| article xml file uploaded | 10 April 2019 11:12 CEST | Original file | N/A |