| article html file updated | 9 February 2020 21:21 CET | Update | https://www.mdpi.com/2071-1050/10/6/1993 |
| article html file updated | 4 October 2019 13:31 CEST | Update | - |
| article html file updated | 30 April 2019 11:13 CEST | Update | - |
| article html file updated | 16 April 2019 11:38 CEST | Update | - |
| article html file updated | 16 April 2019 06:29 CEST | Update | - |
| article html file updated | 30 March 2019 10:27 CET | Update | - |
| article html file updated | 27 June 2018 18:35 CEST | Update | - |
| article html file updated | 13 June 2018 11:24 CEST | Original file | - |
| article pdf uploaded. | 13 June 2018 11:22 CEST | Version of Record | https://www.mdpi.com/2071-1050/10/6/1993/pdf |
| article xml uploaded. | 13 June 2018 11:22 CEST | Update | https://www.mdpi.com/2071-1050/10/6/1993/xml |
| article xml file uploaded | 13 June 2018 11:22 CEST | Original file | - |
