| article html file updated | 11 February 2020 13:48 CET | Update | https://www.mdpi.com/2304-8158/8/2/56 |
| article html file updated | 14 October 2019 11:45 CEST | Update | - |
| article html file updated | 26 April 2019 21:08 CEST | Update | - |
| article html file updated | 12 April 2019 16:56 CEST | Update | - |
| article html file updated | 3 April 2019 15:13 CEST | Update | - |
| article html file updated | 28 February 2019 14:06 CET | Update | - |
| article html file updated | 11 February 2019 10:08 CET | Update | - |
| article xml uploaded. | 11 February 2019 10:07 CET | Update | https://www.mdpi.com/2304-8158/8/2/56/xml |
| article xml uploaded. | 11 February 2019 10:07 CET | Update | - |
| article pdf uploaded. | 11 February 2019 10:07 CET | Updated version of record | https://www.mdpi.com/2304-8158/8/2/56/pdf |
| article html file updated | 4 February 2019 11:53 CET | Original file | - |
| article pdf uploaded. | 4 February 2019 11:51 CET | Version of Record | https://www.mdpi.com/2304-8158/8/2/56/pdf-vor |
| article xml uploaded. | 4 February 2019 11:51 CET | Update | - |
| article xml file uploaded | 4 February 2019 11:51 CET | Original file | - |
