| article html file updated | 13 February 2020 18:33 CET | Update | https://www.mdpi.com/2304-8158/8/9/422 |
| article html file updated | 25 September 2019 23:06 CEST | Update | N/A |
| article html file updated | 20 September 2019 13:34 CEST | Original file | N/A |
| article pdf uploaded. | 20 September 2019 13:30 CEST | Updated version of record | https://www.mdpi.com/2304-8158/8/9/422/pdf |
| article xml uploaded. | 20 September 2019 13:30 CEST | Update | https://www.mdpi.com/2304-8158/8/9/422/xml |
| article xml file uploaded | 20 September 2019 13:30 CEST | Update | N/A |
| article pdf uploaded. | 19 September 2019 09:27 CEST | Updated version of record | https://www.mdpi.com/2304-8158/8/9/422/pdf-vor |
| article pdf uploaded. | 19 September 2019 09:24 CEST | Updated version of record | https://www.mdpi.com/2304-8158/8/9/422/pdf-vor |
| article pdf uploaded. | 18 September 2019 16:09 CEST | Version of Record | https://www.mdpi.com/2304-8158/8/9/422/pdf-vor |
| article xml file uploaded | 18 September 2019 16:09 CEST | Original file | N/A |
