| article html file updated | 12 February 2020 12:23 CET | Update | https://www.mdpi.com/2304-6732/6/2/51 |
| article html file updated | 20 October 2019 02:58 CEST | Update | - |
| article html file updated | 5 July 2019 09:09 CEST | Update | - |
| article html file updated | 5 July 2019 07:58 CEST | Update | - |
| article html file updated | 30 May 2019 07:57 CEST | Original file | - |
| article pdf uploaded. | 30 May 2019 07:56 CEST | Updated version of record | https://www.mdpi.com/2304-6732/6/2/51/pdf |
| article xml uploaded. | 30 May 2019 07:56 CEST | Update | https://www.mdpi.com/2304-6732/6/2/51/xml |
| article xml file uploaded | 30 May 2019 07:56 CEST | Update | - |
| article pdf uploaded. | 14 May 2019 15:51 CEST | Version of Record | https://www.mdpi.com/2304-6732/6/2/51/pdf-vor |
| article xml file uploaded | 14 May 2019 15:51 CEST | Original file | - |
