| article html file updated | 7 February 2020 10:14 CET | Update | https://www.mdpi.com/2079-7737/5/2/29 |
| article html file updated | 5 May 2019 12:49 CEST | Update | N/A |
| article html file updated | 27 March 2019 07:37 CET | Update | N/A |
| article html file updated | 1 July 2016 12:19 CEST | Update | N/A |
| article html file updated | 15 June 2016 13:27 CEST | Original file | N/A |
| article xml uploaded. | 15 June 2016 13:25 CEST | Original file | https://www.mdpi.com/2079-7737/5/2/29/xml |
| article pdf uploaded. | 15 June 2016 13:25 CEST | Version of Record | https://www.mdpi.com/2079-7737/5/2/29/pdf |
