| article html file updated | 9 February 2020 03:56 CET | Update | https://www.mdpi.com/2077-0472/8/1/17 |
| article html file updated | 30 September 2019 03:12 CEST | Update | - |
| article html file updated | 2 May 2019 00:24 CEST | Update | - |
| article html file updated | 17 April 2019 22:51 CEST | Update | - |
| article html file updated | 28 March 2019 17:31 CET | Update | - |
| article html file updated | 1 February 2018 09:58 CET | Update | - |
| article html file updated | 23 January 2018 12:49 CET | Original file | - |
| article xml uploaded. | 23 January 2018 12:48 CET | Update | https://www.mdpi.com/2077-0472/8/1/17/xml |
| article xml uploaded. | 22 January 2018 19:03 CET | Original file | - |
| article pdf uploaded. | 22 January 2018 19:03 CET | Version of Record | https://www.mdpi.com/2077-0472/8/1/17/pdf |
