| article html file updated | 8 February 2020 23:29 CET | Update | https://www.mdpi.com/2227-7390/5/4/76 |
| article html file updated | 2 May 2019 09:54 CEST | Update | N/A |
| article html file updated | 18 April 2019 07:33 CEST | Update | N/A |
| article html file updated | 2 January 2018 11:36 CET | Update | N/A |
| article html file updated | 8 December 2017 07:30 CET | Original file | N/A |
| article xml uploaded. | 8 December 2017 07:29 CET | Original file | https://www.mdpi.com/2227-7390/5/4/76/xml |
| article pdf uploaded. | 8 December 2017 07:29 CET | Version of Record | https://www.mdpi.com/2227-7390/5/4/76/pdf |
