| article html file updated | 9 February 2020 04:22 CET | Update | https://www.mdpi.com/2075-4701/8/2/89 |
| article html file updated | 30 September 2019 05:34 CEST | Update | - |
| article html file updated | 1 May 2019 23:31 CEST | Update | - |
| article html file updated | 17 April 2019 22:06 CEST | Update | - |
| article html file updated | 28 March 2019 18:23 CET | Update | - |
| article html file updated | 25 January 2018 16:31 CET | Original file | - |
| article xml uploaded. | 25 January 2018 16:30 CET | Update | https://www.mdpi.com/2075-4701/8/2/89/xml |
| article xml uploaded. | 25 January 2018 16:30 CET | Original file | - |
| article pdf uploaded. | 25 January 2018 16:27 CET | Version of Record | https://www.mdpi.com/2075-4701/8/2/89/pdf |
