| article html file updated | 8 February 2020 02:46 CET | Update | https://www.mdpi.com/2313-0105/3/2/11 |
| article html file updated | 24 September 2019 03:15 CEST | Update | N/A |
| article html file updated | 4 May 2019 03:53 CEST | Update | N/A |
| article html file updated | 5 April 2017 14:38 CEST | Original file | N/A |
| article xml uploaded. | 5 April 2017 14:36 CEST | Original file | https://www.mdpi.com/2313-0105/3/2/11/xml |
| article pdf uploaded. | 5 April 2017 14:36 CEST | Updated version of record | https://www.mdpi.com/2313-0105/3/2/11/pdf |
| article pdf uploaded. | 1 April 2017 11:34 CEST | Version of Record | https://www.mdpi.com/2313-0105/3/2/11/pdf-vor |
