| article html file updated | 9 February 2020 05:37 CET | Update | https://www.mdpi.com/2076-3425/8/2/28 |
| article html file updated | 30 September 2019 13:17 CEST | Update | - |
| article html file updated | 1 May 2019 20:44 CEST | Update | - |
| article html file updated | 17 April 2019 19:44 CEST | Update | - |
| article html file updated | 28 March 2019 21:08 CET | Update | - |
| article html file updated | 14 March 2018 08:30 CET | Update | - |
| article html file updated | 6 February 2018 09:11 CET | Original file | - |
| article xml uploaded. | 6 February 2018 09:09 CET | Update | https://www.mdpi.com/2076-3425/8/2/28/xml |
| article xml uploaded. | 6 February 2018 09:09 CET | Original file | - |
| article pdf uploaded. | 6 February 2018 09:09 CET | Version of Record | https://www.mdpi.com/2076-3425/8/2/28/pdf |
