| article html file updated | 12 February 2020 10:36 CET | Update | https://www.mdpi.com/1999-5903/11/5/109 |
| article html file updated | 19 October 2019 17:09 CEST | Update | - |
| article html file updated | 4 June 2019 17:53 CEST | Update | - |
| article html file updated | 8 May 2019 04:59 CEST | Original file | - |
| article pdf uploaded. | 8 May 2019 02:58 CEST | Version of Record | https://www.mdpi.com/1999-5903/11/5/109/pdf |
| article xml uploaded. | 8 May 2019 02:58 CEST | Update | https://www.mdpi.com/1999-5903/11/5/109/xml |
| article xml file uploaded | 8 May 2019 02:58 CEST | Original file | - |
