| article html file updated | 9 February 2020 05:07 CET | Update | https://www.mdpi.com/2073-4352/8/2/74 |
| article html file updated | 30 September 2019 10:08 CEST | Update | - |
| article html file updated | 1 May 2019 21:52 CEST | Update | - |
| article html file updated | 17 April 2019 20:40 CEST | Update | - |
| article html file updated | 28 March 2019 20:04 CET | Update | - |
| article html file updated | 14 March 2018 09:03 CET | Update | - |
| article html file updated | 1 February 2018 07:27 CET | Original file | - |
| article xml uploaded. | 1 February 2018 07:26 CET | Update | https://www.mdpi.com/2073-4352/8/2/74/xml |
| article xml uploaded. | 1 February 2018 07:26 CET | Original file | - |
| article pdf uploaded. | 1 February 2018 07:26 CET | Version of Record | https://www.mdpi.com/2073-4352/8/2/74/pdf |
