| article html file updated | 9 February 2020 06:32 CET | Update | https://www.mdpi.com/2071-1050/10/2/500 |
| article html file updated | 1 May 2019 18:40 CEST | Update | N/A |
| article html file updated | 17 April 2019 17:57 CEST | Update | N/A |
| article html file updated | 28 March 2019 23:06 CET | Update | N/A |
| article html file updated | 15 March 2018 10:01 CET | Update | N/A |
| article html file updated | 14 March 2018 12:11 CET | Update | N/A |
| article html file updated | 13 February 2018 12:51 CET | Original file | N/A |
| article xml uploaded. | 13 February 2018 12:50 CET | Original file | https://www.mdpi.com/2071-1050/10/2/500/xml |
| article pdf uploaded. | 13 February 2018 12:50 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/500/pdf |
