| article html file updated | 13 February 2020 16:58 CET | Update | https://www.mdpi.com/1996-1073/12/18/3506 |
| article html file updated | 25 September 2019 10:36 CEST | Update | N/A |
| article html file updated | 17 September 2019 09:00 CEST | Update | N/A |
| article html file updated | 17 September 2019 08:56 CEST | Update | N/A |
| article html file updated | 17 September 2019 08:55 CEST | Original file | N/A |
| article pdf uploaded. | 17 September 2019 08:53 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/18/3506/pdf |
| article xml uploaded. | 17 September 2019 08:53 CEST | Update | https://www.mdpi.com/1996-1073/12/18/3506/xml |
| article xml file uploaded | 17 September 2019 08:53 CEST | Update | N/A |
| article pdf uploaded. | 11 September 2019 16:48 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/18/3506/pdf-vor |
| article xml file uploaded | 11 September 2019 16:48 CEST | Original file | N/A |
