| article html file updated | 8 February 2020 07:37 CET | Update | https://www.mdpi.com/2076-3263/7/2/40 |
| article html file updated | 25 September 2019 05:02 CEST | Update | N/A |
| article html file updated | 3 May 2019 18:42 CEST | Update | N/A |
| article html file updated | 25 July 2017 10:29 CEST | Update | N/A |
| article html file updated | 6 June 2017 14:40 CEST | Original file | N/A |
| article xml uploaded. | 6 June 2017 14:38 CEST | Original file | https://www.mdpi.com/2076-3263/7/2/40/xml |
| article pdf uploaded. | 6 June 2017 14:38 CEST | Version of Record | https://www.mdpi.com/2076-3263/7/2/40/pdf |
