| article html file updated | 12 February 2020 06:21 CET | Update | https://www.mdpi.com/2079-6412/9/4/261 |
| article html file updated | 18 October 2019 15:01 CEST | Update | N/A |
| article html file updated | 8 May 2019 16:36 CEST | Update | N/A |
| article html file updated | 25 April 2019 09:34 CEST | Update | N/A |
| article html file updated | 20 April 2019 02:52 CEST | Update | N/A |
| article pdf uploaded. | 19 April 2019 10:21 CEST | Updated version of record | https://www.mdpi.com/2079-6412/9/4/261/pdf |
| article xml uploaded. | 19 April 2019 10:21 CEST | Update | https://www.mdpi.com/2079-6412/9/4/261/xml |
| article xml file uploaded | 19 April 2019 10:21 CEST | Update | N/A |
| article html file updated | 18 April 2019 19:40 CEST | Original file | N/A |
| article pdf uploaded. | 18 April 2019 16:55 CEST | Version of Record | https://www.mdpi.com/2079-6412/9/4/261/pdf-vor |
| article xml file uploaded | 18 April 2019 16:55 CEST | Original file | N/A |