| article html file updated | 9 February 2020 12:53 CET | Update | https://www.mdpi.com/2075-4701/8/4/247 |
| article html file updated | 2 October 2019 09:03 CEST | Update | - |
| article html file updated | 1 May 2019 05:21 CEST | Update | - |
| article html file updated | 17 April 2019 05:33 CEST | Update | - |
| article html file updated | 29 March 2019 13:31 CET | Update | - |
| article html file updated | 1 May 2018 07:46 CEST | Update | - |
| article html file updated | 1 May 2018 07:46 CEST | Update | - |
| article html file updated | 7 April 2018 11:59 CEST | Original file | - |
| article xml uploaded. | 7 April 2018 11:58 CEST | Original file | https://www.mdpi.com/2075-4701/8/4/247/xml |
| article pdf uploaded. | 7 April 2018 11:58 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/4/247/pdf |
