| article html file updated | 8 February 2020 08:22 CET | Update | https://www.mdpi.com/2075-4701/7/6/222 |
| article html file updated | 25 September 2019 08:54 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:18 CEST | Update | N/A |
| article html file updated | 28 June 2017 14:04 CEST | Update | N/A |
| article html file updated | 16 June 2017 08:09 CEST | Original file | N/A |
| article xml uploaded. | 16 June 2017 08:08 CEST | Original file | https://www.mdpi.com/2075-4701/7/6/222/xml |
| article pdf uploaded. | 16 June 2017 08:08 CEST | Updated version of record | https://www.mdpi.com/2075-4701/7/6/222/pdf |
| article pdf uploaded. | 15 June 2017 14:23 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/6/222/pdf-vor |
