| article html file updated | 8 February 2020 08:06 CET | Update | https://www.mdpi.com/2075-4701/7/6/216 |
| article html file updated | 25 September 2019 07:25 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:49 CEST | Update | N/A |
| article html file updated | 28 June 2017 14:03 CEST | Update | N/A |
| article html file updated | 12 June 2017 14:19 CEST | Original file | N/A |
| article xml uploaded. | 12 June 2017 14:18 CEST | Original file | https://www.mdpi.com/2075-4701/7/6/216/xml |
| article pdf uploaded. | 12 June 2017 14:18 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/6/216/pdf |
