| article html file updated | 7 February 2020 03:01 CET | Update | https://www.mdpi.com/2076-2607/4/1/3 |
| article html file updated | 21 September 2019 09:04 CEST | Update | - |
| article html file updated | 6 May 2019 03:23 CEST | Update | - |
| article html file updated | 26 March 2019 17:41 CET | Update | - |
| article html file updated | 27 August 2018 08:48 CEST | Update | - |
| article html file updated | 20 September 2016 11:46 CEST | Update | - |
| article html file updated | 12 July 2016 04:25 CEST | Original file | - |
| article pdf uploaded. | 4 January 2016 12:05 CET | Version of Record | https://www.mdpi.com/2076-2607/4/1/3/pdf |
| article xml uploaded. | 4 January 2016 12:05 CET | Original file | https://www.mdpi.com/2076-2607/4/1/3/xml |
