| article html file updated | 8 February 2020 00:47 CET | Update | https://www.mdpi.com/1999-4893/10/1/33 |
| article html file updated | 23 September 2019 15:55 CEST | Update | - |
| article html file updated | 4 May 2019 08:12 CEST | Update | - |
| article html file updated | 28 March 2017 11:55 CEST | Update | - |
| article html file updated | 8 March 2017 11:35 CET | Original file | - |
| article xml uploaded. | 8 March 2017 11:34 CET | Original file | https://www.mdpi.com/1999-4893/10/1/33/xml |
| article pdf uploaded. | 8 March 2017 11:34 CET | Updated version of record | https://www.mdpi.com/1999-4893/10/1/33/pdf |
| article pdf uploaded. | 4 March 2017 10:58 CET | Version of Record | https://www.mdpi.com/1999-4893/10/1/33/pdf-vor |
