| article html file updated | 7 February 2020 04:37 CET | Update | https://www.mdpi.com/2075-4701/6/2/36 |
| article html file updated | 6 May 2019 00:12 CEST | Update | - |
| article html file updated | 26 March 2019 20:51 CET | Original file | - |
| article pdf uploaded. | 22 February 2016 15:58 CET | Updated version of record | https://www.mdpi.com/2075-4701/6/2/36/pdf |
| article xml uploaded. | 22 February 2016 15:58 CET | Update | https://www.mdpi.com/2075-4701/6/2/36/xml |
| article pdf uploaded. | 17 February 2016 04:17 CET | Version of Record | https://www.mdpi.com/2075-4701/6/2/36/pdf-vor |
| article xml uploaded. | 17 February 2016 04:17 CET | Original file | - |
