| article html file updated | 8 February 2020 06:54 CET | Update | https://www.mdpi.com/1999-4907/8/6/185 |
| article html file updated | 25 September 2019 01:23 CEST | Update | N/A |
| article html file updated | 3 May 2019 20:02 CEST | Update | N/A |
| article html file updated | 27 June 2017 11:16 CEST | Update | N/A |
| article html file updated | 27 May 2017 13:11 CEST | Original file | N/A |
| article xml uploaded. | 27 May 2017 13:10 CEST | Original file | https://www.mdpi.com/1999-4907/8/6/185/xml |
| article pdf uploaded. | 27 May 2017 13:10 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/6/185/pdf |
