| article html file updated | 9 February 2020 04:15 CET | Update | https://www.mdpi.com/2075-4701/8/2/86 |
| article html file updated | 30 September 2019 04:53 CEST | Update | N/A |
| article html file updated | 1 May 2019 23:46 CEST | Update | N/A |
| article html file updated | 17 April 2019 22:19 CEST | Update | N/A |
| article html file updated | 28 March 2019 18:08 CET | Update | N/A |
| article html file updated | 24 January 2018 17:20 CET | Original file | N/A |
| article xml uploaded. | 24 January 2018 17:19 CET | Update | https://www.mdpi.com/2075-4701/8/2/86/xml |
| article xml uploaded. | 24 January 2018 17:19 CET | Original file | N/A |
| article pdf uploaded. | 24 January 2018 17:19 CET | Version of Record | https://www.mdpi.com/2075-4701/8/2/86/pdf |
