| article html file updated | 9 February 2020 04:06 CET | Update | https://www.mdpi.com/2073-4352/8/2/55 |
| article html file updated | 30 September 2019 04:06 CEST | Update | - |
| article html file updated | 2 May 2019 00:02 CEST | Update | - |
| article html file updated | 17 April 2019 22:33 CEST | Update | - |
| article html file updated | 28 March 2019 17:52 CET | Update | - |
| article html file updated | 14 March 2018 09:00 CET | Update | - |
| article html file updated | 26 January 2018 08:28 CET | Update | - |
| article xml uploaded. | 26 January 2018 08:26 CET | Update | https://www.mdpi.com/2073-4352/8/2/55/xml |
| article xml uploaded. | 26 January 2018 08:26 CET | Update | - |
| article pdf uploaded. | 26 January 2018 08:26 CET | Updated version of record | https://www.mdpi.com/2073-4352/8/2/55/pdf |
| article html file updated | 24 January 2018 03:54 CET | Original file | - |
| article xml uploaded. | 24 January 2018 03:52 CET | Update | - |
| article xml uploaded. | 24 January 2018 03:52 CET | Original file | - |
| article pdf uploaded. | 24 January 2018 03:52 CET | Version of Record | https://www.mdpi.com/2073-4352/8/2/55/pdf-vor |
