| article html file updated | 8 February 2020 04:59 CET | Update | https://www.mdpi.com/2227-9059/5/2/19 |
| article html file updated | 24 September 2019 15:23 CEST | Update | N/A |
| article html file updated | 3 May 2019 23:39 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:37 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:17 CEST | Update | N/A |
| article html file updated | 23 May 2017 03:35 CEST | Update | N/A |
| article html file updated | 3 May 2017 14:53 CEST | Original file | N/A |
| article xml uploaded. | 3 May 2017 14:52 CEST | Update | https://www.mdpi.com/2227-9059/5/2/19/xml |
| article pdf uploaded. | 3 May 2017 14:52 CEST | Version of Record | https://www.mdpi.com/2227-9059/5/2/19/pdf |
