| article html file updated | 9 February 2020 06:03 CET | Update | https://www.mdpi.com/2071-1050/10/2/452 |
| article html file updated | 30 September 2019 15:57 CEST | Update | N/A |
| article html file updated | 1 May 2019 19:45 CEST | Update | N/A |
| article html file updated | 17 April 2019 18:52 CEST | Update | N/A |
| article html file updated | 28 March 2019 22:07 CET | Update | N/A |
| article html file updated | 15 March 2018 09:53 CET | Update | N/A |
| article html file updated | 14 March 2018 11:56 CET | Update | N/A |
| article html file updated | 9 February 2018 11:49 CET | Original file | N/A |
| article xml uploaded. | 9 February 2018 11:28 CET | Original file | https://www.mdpi.com/2071-1050/10/2/452/xml |
| article pdf uploaded. | 9 February 2018 11:28 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/452/pdf |
