| article html file updated | 9 February 2020 05:40 CET | Update | https://www.mdpi.com/2227-7102/8/1/24 |
| article html file updated | 30 September 2019 13:34 CEST | Update | N/A |
| article html file updated | 1 May 2019 20:38 CEST | Update | N/A |
| article html file updated | 17 April 2019 19:39 CEST | Update | N/A |
| article html file updated | 28 March 2019 21:14 CET | Update | N/A |
| article html file updated | 27 March 2018 15:20 CEST | Update | N/A |
| article html file updated | 6 February 2018 13:59 CET | Original file | N/A |
| article xml uploaded. | 6 February 2018 13:58 CET | Original file | https://www.mdpi.com/2227-7102/8/1/24/xml |
| article pdf uploaded. | 6 February 2018 13:58 CET | Version of Record | https://www.mdpi.com/2227-7102/8/1/24/pdf |
