| article html file updated | 9 February 2020 05:05 CET | Update | https://www.mdpi.com/2220-9964/7/2/46 |
| article html file updated | 30 September 2019 09:57 CEST | Update | - |
| article html file updated | 1 May 2019 21:56 CEST | Update | - |
| article html file updated | 17 April 2019 20:44 CEST | Update | - |
| article html file updated | 28 March 2019 19:59 CET | Update | - |
| article html file updated | 14 March 2018 14:48 CET | Update | - |
| article html file updated | 31 January 2018 18:31 CET | Original file | - |
| article xml uploaded. | 31 January 2018 18:30 CET | Update | https://www.mdpi.com/2220-9964/7/2/46/xml |
| article xml uploaded. | 31 January 2018 18:30 CET | Original file | - |
| article pdf uploaded. | 31 January 2018 18:30 CET | Version of Record | https://www.mdpi.com/2220-9964/7/2/46/pdf |
