| article html file updated | 7 February 2020 06:25 CET | Update | https://www.mdpi.com/2079-6412/6/2/15 |
| article html file updated | 5 May 2019 20:23 CEST | Update | N/A |
| article html file updated | 27 March 2019 00:22 CET | Update | N/A |
| article html file updated | 27 June 2016 12:27 CEST | Update | N/A |
| article html file updated | 25 March 2016 10:59 CET | Original file | N/A |
| article xml uploaded. | 25 March 2016 10:57 CET | Update | https://www.mdpi.com/2079-6412/6/2/15/xml |
| article pdf uploaded. | 25 March 2016 10:57 CET | Version of Record | https://www.mdpi.com/2079-6412/6/2/15/pdf |
