| article html file updated | 9 February 2020 03:44 CET | Update | https://www.mdpi.com/2075-163X/8/1/31 |
| article html file updated | 30 September 2019 02:04 CEST | Update | - |
| article html file updated | 2 May 2019 00:52 CEST | Update | - |
| article html file updated | 17 April 2019 23:16 CEST | Update | - |
| article html file updated | 28 March 2019 17:03 CET | Update | - |
| article html file updated | 1 February 2018 10:22 CET | Update | - |
| article html file updated | 22 January 2018 07:26 CET | Original file | - |
| article xml uploaded. | 22 January 2018 07:25 CET | Update | https://www.mdpi.com/2075-163X/8/1/31/xml |
| article xml uploaded. | 22 January 2018 07:25 CET | Original file | - |
| article pdf uploaded. | 22 January 2018 07:25 CET | Updated version of record | https://www.mdpi.com/2075-163X/8/1/31/pdf |
| article pdf uploaded. | 19 January 2018 18:47 CET | Version of Record | https://www.mdpi.com/2075-163X/8/1/31/pdf-vor |
