| article html file updated | 9 February 2020 06:34 CET | Update | https://www.mdpi.com/2071-1050/10/2/504 |
| article html file updated | 30 September 2019 18:56 CEST | Update | - |
| article html file updated | 1 May 2019 18:35 CEST | Update | - |
| article html file updated | 17 April 2019 17:52 CEST | Update | - |
| article html file updated | 28 March 2019 23:11 CET | Update | - |
| article html file updated | 15 March 2018 10:01 CET | Update | - |
| article html file updated | 14 March 2018 12:11 CET | Update | - |
| article html file updated | 13 February 2018 17:18 CET | Original file | - |
| article xml uploaded. | 13 February 2018 17:17 CET | Original file | https://www.mdpi.com/2071-1050/10/2/504/xml |
| article pdf uploaded. | 13 February 2018 17:17 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/504/pdf |
