| article html file updated | 11 February 2020 09:57 CET | Update | https://www.mdpi.com/2304-8158/8/1/33 |
| article html file updated | 13 October 2019 14:12 CEST | Update | - |
| article html file updated | 27 April 2019 04:30 CEST | Update | - |
| article html file updated | 13 April 2019 00:35 CEST | Update | - |
| article html file updated | 3 April 2019 05:50 CEST | Update | - |
| article html file updated | 18 January 2019 10:57 CET | Original file | - |
| article pdf uploaded. | 18 January 2019 10:55 CET | Version of Record | https://www.mdpi.com/2304-8158/8/1/33/pdf |
| article xml uploaded. | 18 January 2019 10:55 CET | Update | https://www.mdpi.com/2304-8158/8/1/33/xml |
| article xml file uploaded | 18 January 2019 10:55 CET | Original file | - |
