| article html file updated | 7 February 2020 09:07 CET | Update | https://www.mdpi.com/2079-7737/5/2/22 |
| article html file updated | 5 May 2019 14:59 CEST | Update | N/A |
| article html file updated | 27 March 2019 05:28 CET | Update | N/A |
| article html file updated | 1 July 2016 12:16 CEST | Update | N/A |
| article html file updated | 23 May 2016 11:38 CEST | Original file | N/A |
| article xml uploaded. | 23 May 2016 11:36 CEST | Original file | https://www.mdpi.com/2079-7737/5/2/22/xml |
| article pdf uploaded. | 23 May 2016 11:36 CEST | Version of Record | https://www.mdpi.com/2079-7737/5/2/22/pdf |
