| article html file updated | 9 February 2020 03:58 CET | Update | https://www.mdpi.com/2075-4418/8/1/4 |
| article html file updated | 30 September 2019 03:20 CEST | Update | - |
| article html file updated | 2 May 2019 00:20 CEST | Update | - |
| article html file updated | 17 April 2019 22:48 CEST | Update | - |
| article html file updated | 28 March 2019 17:34 CET | Update | - |
| article html file updated | 27 March 2018 14:29 CEST | Update | - |
| article html file updated | 25 January 2018 07:55 CET | Update | - |
| article xml uploaded. | 25 January 2018 07:54 CET | Update | https://www.mdpi.com/2075-4418/8/1/4/xml |
| article xml uploaded. | 25 January 2018 07:54 CET | Update | - |
| article pdf uploaded. | 25 January 2018 07:54 CET | Updated version of record | https://www.mdpi.com/2075-4418/8/1/4/pdf |
| article html file updated | 23 January 2018 08:52 CET | Original file | - |
| article xml uploaded. | 23 January 2018 08:51 CET | Original file | - |
| article pdf uploaded. | 23 January 2018 08:51 CET | Version of Record | https://www.mdpi.com/2075-4418/8/1/4/pdf-vor |
