| article html file updated | 9 February 2020 07:21 CET | Update | https://www.mdpi.com/2075-4701/8/2/146 |
| article html file updated | 30 September 2019 23:28 CEST | Update | - |
| article html file updated | 1 May 2019 16:55 CEST | Update | - |
| article html file updated | 17 April 2019 16:19 CEST | Update | - |
| article html file updated | 29 March 2019 00:50 CET | Update | - |
| article html file updated | 23 February 2018 10:23 CET | Original file | - |
| article xml uploaded. | 23 February 2018 10:21 CET | Original file | https://www.mdpi.com/2075-4701/8/2/146/xml |
| article pdf uploaded. | 23 February 2018 10:21 CET | Version of Record | https://www.mdpi.com/2075-4701/8/2/146/pdf |
