| article html file updated | 8 February 2020 03:01 CET | Update | https://www.mdpi.com/2075-1702/5/2/12 |
| article html file updated | 24 September 2019 04:35 CEST | Update | N/A |
| article html file updated | 4 May 2019 03:20 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:34 CEST | Update | N/A |
| article html file updated | 7 April 2017 06:23 CEST | Original file | N/A |
| article xml uploaded. | 7 April 2017 06:22 CEST | Update | https://www.mdpi.com/2075-1702/5/2/12/xml |
| article pdf uploaded. | 7 April 2017 06:22 CEST | Updated version of record | https://www.mdpi.com/2075-1702/5/2/12/pdf |
| article pdf uploaded. | 6 April 2017 11:47 CEST | Version of Record | https://www.mdpi.com/2075-1702/5/2/12/pdf-vor |
