| article html file updated | 11 February 2020 12:19 CET | Update | https://www.mdpi.com/2079-9292/8/2/138 |
| article html file updated | 14 October 2019 03:03 CEST | Update | - |
| article html file updated | 26 April 2019 23:53 CEST | Update | - |
| article html file updated | 12 April 2019 19:48 CEST | Update | - |
| article html file updated | 3 April 2019 11:36 CEST | Update | - |
| article html file updated | 4 March 2019 03:06 CET | Update | - |
| article html file updated | 29 January 2019 12:32 CET | Original file | - |
| article pdf uploaded. | 29 January 2019 12:31 CET | Version of Record | https://www.mdpi.com/2079-9292/8/2/138/pdf |
| article xml uploaded. | 29 January 2019 12:31 CET | Update | https://www.mdpi.com/2079-9292/8/2/138/xml |
| article xml file uploaded | 29 January 2019 12:31 CET | Original file | - |
