| article html file updated | 9 February 2020 10:49 CET | Update | https://www.mdpi.com/2304-6740/6/2/36 |
| article html file updated | 1 October 2019 20:57 CEST | Update | - |
| article html file updated | 1 May 2019 09:39 CEST | Update | - |
| article html file updated | 17 April 2019 09:33 CEST | Update | - |
| article html file updated | 29 March 2019 08:47 CET | Update | - |
| article html file updated | 28 June 2018 08:50 CEST | Update | - |
| article html file updated | 22 March 2018 17:03 CET | Original file | - |
| article xml uploaded. | 22 March 2018 17:02 CET | Original file | https://www.mdpi.com/2304-6740/6/2/36/xml |
| article pdf uploaded. | 22 March 2018 17:02 CET | Version of Record | https://www.mdpi.com/2304-6740/6/2/36/pdf |
