| article html file updated | 9 February 2020 03:22 CET | Update | https://www.mdpi.com/2071-1050/10/1/221 |
| article html file updated | 29 September 2019 23:51 CEST | Update | - |
| article html file updated | 2 May 2019 01:38 CEST | Update | - |
| article html file updated | 17 April 2019 23:56 CEST | Update | - |
| article html file updated | 28 March 2019 16:16 CET | Update | - |
| article html file updated | 9 February 2018 11:41 CET | Update | - |
| article html file updated | 1 February 2018 15:41 CET | Update | - |
| article html file updated | 17 January 2018 09:58 CET | Original file | - |
| article xml uploaded. | 17 January 2018 09:57 CET | Original file | https://www.mdpi.com/2071-1050/10/1/221/xml |
| article pdf uploaded. | 17 January 2018 09:57 CET | Version of Record | https://www.mdpi.com/2071-1050/10/1/221/pdf |
