| article html file updated | 9 February 2020 01:16 CET | Update | https://www.mdpi.com/2079-6374/8/1/2 |
| article html file updated | 29 September 2019 12:00 CEST | Update | - |
| article html file updated | 2 May 2019 06:00 CEST | Update | - |
| article html file updated | 18 April 2019 03:59 CEST | Update | - |
| article html file updated | 28 March 2019 11:18 CET | Update | - |
| article html file updated | 27 March 2018 14:29 CEST | Update | - |
| article html file updated | 28 December 2017 07:46 CET | Update | - |
| article xml uploaded. | 28 December 2017 07:45 CET | Update | https://www.mdpi.com/2079-6374/8/1/2/xml |
| article xml uploaded. | 28 December 2017 07:45 CET | Update | - |
| article pdf uploaded. | 28 December 2017 07:45 CET | Updated version of record | https://www.mdpi.com/2079-6374/8/1/2/pdf |
| article html file updated | 26 December 2017 13:14 CET | Original file | - |
| article xml uploaded. | 26 December 2017 13:12 CET | Update | - |
| article xml uploaded. | 26 December 2017 13:12 CET | Original file | - |
| article pdf uploaded. | 26 December 2017 13:12 CET | Version of Record | https://www.mdpi.com/2079-6374/8/1/2/pdf-vor |
