| article html file updated | 9 February 2020 07:20 CET | Update | https://www.mdpi.com/2078-2489/9/2/44 |
| article html file updated | 30 September 2019 23:24 CEST | Update | - |
| article html file updated | 1 May 2019 16:57 CEST | Update | - |
| article html file updated | 17 April 2019 16:21 CEST | Update | - |
| article html file updated | 29 March 2019 00:48 CET | Update | - |
| article html file updated | 14 March 2018 11:37 CET | Update | - |
| article html file updated | 23 February 2018 08:50 CET | Original file | - |
| article xml uploaded. | 23 February 2018 08:48 CET | Update | https://www.mdpi.com/2078-2489/9/2/44/xml |
| article xml uploaded. | 23 February 2018 08:48 CET | Original file | - |
| article pdf uploaded. | 23 February 2018 08:48 CET | Version of Record | https://www.mdpi.com/2078-2489/9/2/44/pdf |
