| article html file updated | 9 February 2020 05:31 CET | Update | https://www.mdpi.com/1999-5903/10/2/16 |
| article html file updated | 30 September 2019 12:42 CEST | Update | - |
| article html file updated | 1 May 2019 20:58 CEST | Update | - |
| article html file updated | 17 April 2019 19:55 CEST | Update | - |
| article html file updated | 28 March 2019 20:55 CET | Update | - |
| article html file updated | 14 March 2018 09:29 CET | Update | - |
| article html file updated | 5 February 2018 06:47 CET | Original file | - |
| article xml uploaded. | 5 February 2018 06:46 CET | Update | https://www.mdpi.com/1999-5903/10/2/16/xml |
| article xml uploaded. | 5 February 2018 06:46 CET | Original file | - |
| article pdf uploaded. | 5 February 2018 06:46 CET | Version of Record | https://www.mdpi.com/1999-5903/10/2/16/pdf |
