| article html file updated | 8 February 2020 23:39 CET | Update | https://www.mdpi.com/2410-3896/2/4/38 |
| article html file updated | 29 September 2019 02:42 CEST | Update | N/A |
| article html file updated | 2 May 2019 09:30 CEST | Update | N/A |
| article html file updated | 18 April 2019 07:12 CEST | Update | N/A |
| article html file updated | 2 January 2018 14:33 CET | Update | N/A |
| article html file updated | 10 December 2017 08:16 CET | Original file | N/A |
| article xml uploaded. | 10 December 2017 08:15 CET | Update | https://www.mdpi.com/2410-3896/2/4/38/xml |
| article xml uploaded. | 10 December 2017 08:15 CET | Original file | N/A |
| article pdf uploaded. | 10 December 2017 08:15 CET | Version of Record | https://www.mdpi.com/2410-3896/2/4/38/pdf |
