| article html file updated | 9 February 2020 03:24 CET | Update | https://www.mdpi.com/2073-4344/8/1/29 |
| article html file updated | 30 September 2019 00:08 CEST | Update | - |
| article html file updated | 2 May 2019 01:33 CEST | Update | - |
| article html file updated | 17 April 2019 23:52 CEST | Update | - |
| article html file updated | 28 March 2019 16:21 CET | Update | - |
| article html file updated | 1 February 2018 10:11 CET | Update | - |
| article html file updated | 17 January 2018 14:58 CET | Original file | - |
| article xml uploaded. | 17 January 2018 14:57 CET | Update | https://www.mdpi.com/2073-4344/8/1/29/xml |
| article xml uploaded. | 17 January 2018 14:56 CET | Original file | - |
| article pdf uploaded. | 17 January 2018 14:56 CET | Version of Record | https://www.mdpi.com/2073-4344/8/1/29/pdf |
