| article html file updated | 9 February 2020 03:58 CET | Update | https://www.mdpi.com/1999-4915/10/2/51 |
| article html file updated | 30 September 2019 03:20 CEST | Update | - |
| article html file updated | 2 May 2019 00:19 CEST | Update | - |
| article html file updated | 17 April 2019 22:48 CEST | Update | - |
| article html file updated | 28 March 2019 17:35 CET | Update | - |
| article html file updated | 14 March 2018 16:59 CET | Update | - |
| article html file updated | 23 January 2018 08:57 CET | Original file | - |
| article xml uploaded. | 23 January 2018 08:55 CET | Update | https://www.mdpi.com/1999-4915/10/2/51/xml |
| article xml uploaded. | 23 January 2018 08:55 CET | Original file | - |
| article pdf uploaded. | 23 January 2018 08:55 CET | Version of Record | https://www.mdpi.com/1999-4915/10/2/51/pdf |
