| article html file updated | 8 February 2020 07:34 CET | Update | https://www.mdpi.com/2227-7382/5/2/13 |
| article html file updated | 25 September 2019 04:44 CEST | Update | N/A |
| article html file updated | 3 May 2019 18:48 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:51 CEST | Update | N/A |
| article html file updated | 6 June 2017 13:48 CEST | Original file | N/A |
| article xml uploaded. | 6 June 2017 13:46 CEST | Update | https://www.mdpi.com/2227-7382/5/2/13/xml |
| article pdf uploaded. | 6 June 2017 13:46 CEST | Version of Record | https://www.mdpi.com/2227-7382/5/2/13/pdf |
