| article html file updated | 10 February 2020 03:33 CET | Update | https://www.mdpi.com/2227-9032/6/3/90 |
| article html file updated | 6 October 2019 03:14 CEST | Update | - |
| article html file updated | 29 April 2019 22:00 CEST | Update | - |
| article html file updated | 15 April 2019 17:02 CEST | Update | - |
| article html file updated | 31 March 2019 01:42 CET | Update | - |
| article html file updated | 22 September 2018 14:05 CEST | Update | - |
| article html file updated | 31 July 2018 07:58 CEST | Update | - |
| article html file updated | 30 July 2018 12:03 CEST | Original file | - |
| article pdf uploaded. | 30 July 2018 10:03 CEST | Version of Record | https://www.mdpi.com/2227-9032/6/3/90/pdf |
| article xml uploaded. | 30 July 2018 10:03 CEST | Update | https://www.mdpi.com/2227-9032/6/3/90/xml |
| article xml file uploaded | 30 July 2018 10:03 CEST | Original file | - |
