| article html file updated | 12 February 2020 07:04 CET | Update | https://www.mdpi.com/2218-6581/8/2/33 |
| article html file updated | 18 October 2019 19:37 CEST | Update | - |
| article html file updated | 5 July 2019 18:33 CEST | Update | - |
| article html file updated | 14 May 2019 04:53 CEST | Original file | - |
| article pdf uploaded. | 14 May 2019 04:51 CEST | Updated version of record | https://www.mdpi.com/2218-6581/8/2/33/pdf |
| article xml uploaded. | 14 May 2019 04:51 CEST | Update | https://www.mdpi.com/2218-6581/8/2/33/xml |
| article xml file uploaded | 14 May 2019 04:51 CEST | Update | - |
| article pdf uploaded. | 23 April 2019 04:43 CEST | Version of Record | https://www.mdpi.com/2218-6581/8/2/33/pdf-vor |
| article xml file uploaded | 23 April 2019 04:43 CEST | Original file | - |
