| article html file updated | 9 February 2020 09:37 CET | Update | https://www.mdpi.com/2075-4663/6/1/22 |
| article html file updated | 1 October 2019 13:44 CEST | Update | N/A |
| article html file updated | 1 May 2019 12:13 CEST | Update | N/A |
| article html file updated | 17 April 2019 11:58 CEST | Update | N/A |
| article html file updated | 29 March 2019 06:04 CET | Update | N/A |
| article html file updated | 27 March 2018 15:52 CEST | Update | N/A |
| article html file updated | 13 March 2018 08:25 CET | Original file | N/A |
| article xml uploaded. | 13 March 2018 08:24 CET | Original file | https://www.mdpi.com/2075-4663/6/1/22/xml |
| article pdf uploaded. | 13 March 2018 08:24 CET | Version of Record | https://www.mdpi.com/2075-4663/6/1/22/pdf |
