| article html file updated | 12 February 2020 07:44 CET | Update | https://www.mdpi.com/2304-8158/8/4/140 |
| article html file updated | 18 October 2019 23:59 CEST | Update | - |
| article html file updated | 8 May 2019 20:35 CEST | Update | - |
| article html file updated | 25 April 2019 11:19 CEST | Original file | - |
| article pdf uploaded. | 25 April 2019 11:18 CEST | Version of Record | https://www.mdpi.com/2304-8158/8/4/140/pdf |
| article xml uploaded. | 25 April 2019 11:18 CEST | Update | https://www.mdpi.com/2304-8158/8/4/140/xml |
| article xml file uploaded | 25 April 2019 11:18 CEST | Original file | - |
