| article html file updated | 7 February 2020 10:09 CET | Update | https://www.mdpi.com/2079-6374/6/2/25 |
| article html file updated | 5 May 2019 13:00 CEST | Update | N/A |
| article html file updated | 27 March 2019 07:26 CET | Update | N/A |
| article html file updated | 4 July 2016 08:13 CEST | Update | N/A |
| article html file updated | 14 June 2016 13:31 CEST | Original file | N/A |
| article xml uploaded. | 14 June 2016 13:30 CEST | Original file | https://www.mdpi.com/2079-6374/6/2/25/xml |
| article pdf uploaded. | 14 June 2016 13:30 CEST | Version of Record | https://www.mdpi.com/2079-6374/6/2/25/pdf |
