| article html file updated | 8 February 2020 08:09 CET | Update | https://www.mdpi.com/2223-7747/6/2/24 |
| article html file updated | 25 September 2019 07:39 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:43 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:47 CEST | Update | N/A |
| article html file updated | 21 June 2017 13:39 CEST | Update | N/A |
| article xml uploaded. | 21 June 2017 13:38 CEST | Update | https://www.mdpi.com/2223-7747/6/2/24/xml |
| article pdf uploaded. | 21 June 2017 13:38 CEST | Updated version of record | https://www.mdpi.com/2223-7747/6/2/24/pdf |
| article html file updated | 13 June 2017 10:38 CEST | Original file | N/A |
| article pdf uploaded. | 13 June 2017 10:36 CEST | Version of Record | https://www.mdpi.com/2223-7747/6/2/24/pdf-vor |
