| article html file updated | 9 February 2020 04:58 CET | Update | https://www.mdpi.com/2073-4360/10/2/137 |
| article html file updated | 30 September 2019 09:11 CEST | Update | - |
| article html file updated | 1 May 2019 22:12 CEST | Update | - |
| article html file updated | 17 April 2019 20:57 CEST | Update | - |
| article html file updated | 28 March 2019 19:43 CET | Update | - |
| article html file updated | 14 March 2018 10:27 CET | Update | - |
| article html file updated | 31 January 2018 08:55 CET | Original file | - |
| article xml uploaded. | 31 January 2018 08:54 CET | Original file | https://www.mdpi.com/2073-4360/10/2/137/xml |
| article pdf uploaded. | 31 January 2018 08:54 CET | Version of Record | https://www.mdpi.com/2073-4360/10/2/137/pdf |
