| article html file updated | 9 February 2020 02:49 CET | Update | https://www.mdpi.com/2077-0472/8/1/13 |
| article html file updated | 29 September 2019 20:36 CEST | Update | - |
| article html file updated | 2 May 2019 02:45 CEST | Update | - |
| article html file updated | 18 April 2019 00:57 CEST | Update | - |
| article html file updated | 28 March 2019 14:59 CET | Update | - |
| article html file updated | 1 February 2018 09:57 CET | Update | - |
| article html file updated | 12 January 2018 09:03 CET | Original file | - |
| article pdf uploaded. | 12 January 2018 09:02 CET | Version of Record | https://www.mdpi.com/2077-0472/8/1/13/pdf |
| article xml uploaded. | 12 January 2018 09:02 CET | Original file | https://www.mdpi.com/2077-0472/8/1/13/xml |
