| article html file updated | 12 February 2020 02:18 CET | Update | https://www.mdpi.com/1911-8074/12/2/53 |
| article html file updated | 17 October 2019 13:58 CEST | Update | N/A |
| article html file updated | 5 July 2019 06:50 CEST | Update | N/A |
| article html file updated | 9 May 2019 04:17 CEST | Original file | N/A |
| article pdf uploaded. | 9 May 2019 04:15 CEST | Updated version of record | https://www.mdpi.com/1911-8074/12/2/53/pdf |
| article xml uploaded. | 9 May 2019 04:15 CEST | Update | https://www.mdpi.com/1911-8074/12/2/53/xml |
| article xml file uploaded | 9 May 2019 04:15 CEST | Update | N/A |
| article pdf uploaded. | 1 April 2019 17:10 CEST | Version of Record | https://www.mdpi.com/1911-8074/12/2/53/pdf-vor |
| article xml file uploaded | 1 April 2019 17:10 CEST | Original file | N/A |
