| article html file updated | 8 February 2020 10:00 CET | Update | https://www.mdpi.com/2220-9964/6/7/200 |
| article html file updated | 25 September 2019 17:44 CEST | Update | N/A |
| article html file updated | 3 May 2019 14:13 CEST | Update | N/A |
| article html file updated | 31 July 2017 07:38 CEST | Update | N/A |
| article html file updated | 4 July 2017 10:03 CEST | Original file | N/A |
| article xml uploaded. | 4 July 2017 10:01 CEST | Original file | https://www.mdpi.com/2220-9964/6/7/200/xml |
| article pdf uploaded. | 4 July 2017 10:01 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/7/200/pdf |
