| article html file updated | 7 February 2020 22:57 CET | Update | https://www.mdpi.com/2073-4336/8/1/11 |
| article html file updated | 23 September 2019 05:34 CEST | Update | - |
| article html file updated | 4 May 2019 12:06 CEST | Update | - |
| article html file updated | 13 February 2017 02:57 CET | Original file | - |
| article xml uploaded. | 13 February 2017 02:56 CET | Original file | https://www.mdpi.com/2073-4336/8/1/11/xml |
| article pdf uploaded. | 13 February 2017 02:56 CET | Updated version of record | https://www.mdpi.com/2073-4336/8/1/11/pdf |
| article pdf uploaded. | 9 February 2017 09:49 CET | Version of Record | - |
