| article html file updated | 9 February 2020 02:12 CET | Update | https://www.mdpi.com/2071-1050/10/1/121 |
| article html file updated | 29 September 2019 17:22 CEST | Update | N/A |
| article html file updated | 2 May 2019 04:00 CEST | Update | N/A |
| article html file updated | 18 April 2019 02:07 CEST | Update | N/A |
| article html file updated | 28 March 2019 13:35 CET | Update | N/A |
| article html file updated | 9 February 2018 11:27 CET | Update | N/A |
| article html file updated | 1 February 2018 15:27 CET | Update | N/A |
| article html file updated | 6 January 2018 10:28 CET | Original file | N/A |
| article xml uploaded. | 6 January 2018 10:27 CET | Original file | https://www.mdpi.com/2071-1050/10/1/121/xml |
| article pdf uploaded. | 6 January 2018 10:27 CET | Version of Record | https://www.mdpi.com/2071-1050/10/1/121/pdf |
