| article html file updated | 9 February 2020 03:03 CET | Update | https://www.mdpi.com/1999-4907/9/1/32 |
| article html file updated | 29 September 2019 22:01 CEST | Update | - |
| article html file updated | 2 May 2019 02:15 CEST | Update | - |
| article html file updated | 18 April 2019 00:30 CEST | Update | - |
| article html file updated | 28 March 2019 15:33 CET | Update | - |
| article html file updated | 1 February 2018 13:14 CET | Update | - |
| article html file updated | 14 January 2018 12:56 CET | Original file | - |
| article xml uploaded. | 14 January 2018 12:54 CET | Update | https://www.mdpi.com/1999-4907/9/1/32/xml |
| article xml uploaded. | 14 January 2018 12:54 CET | Original file | - |
| article pdf uploaded. | 14 January 2018 12:54 CET | Version of Record | https://www.mdpi.com/1999-4907/9/1/32/pdf |
