| article html file updated | 7 February 2020 02:34 CET | Update | https://www.mdpi.com/1424-8220/16/1/3 |
| article html file updated | 6 May 2019 04:16 CEST | Update | N/A |
| article html file updated | 26 March 2019 17:02 CET | Original file | N/A |
| article xml uploaded. | 23 December 2015 09:43 CET | Update | https://www.mdpi.com/1424-8220/16/1/3/xml |
| article pdf uploaded. | 22 December 2015 15:54 CET | Updated version of record | https://www.mdpi.com/1424-8220/16/1/3/pdf |
| article pdf uploaded. | 22 December 2015 13:48 CET | Version of Record | N/A |
| article xml uploaded. | 22 December 2015 13:48 CET | Original file | N/A |
