| article html file updated | 8 February 2020 06:12 CET | Update | https://www.mdpi.com/2075-4450/8/2/53 |
| article html file updated | 24 September 2019 21:42 CEST | Update | - |
| article html file updated | 3 May 2019 21:23 CEST | Update | - |
| article html file updated | 30 June 2017 05:40 CEST | Update | - |
| article html file updated | 26 May 2017 05:11 CEST | Update | - |
| article xml uploaded. | 26 May 2017 05:09 CEST | Update | https://www.mdpi.com/2075-4450/8/2/53/xml |
| article pdf uploaded. | 26 May 2017 05:09 CEST | Updated version of record | https://www.mdpi.com/2075-4450/8/2/53/pdf |
| article html file updated | 22 May 2017 04:46 CEST | Update | - |
| article html file updated | 18 May 2017 15:22 CEST | Original file | - |
| article pdf uploaded. | 18 May 2017 15:20 CEST | Version of Record | https://www.mdpi.com/2075-4450/8/2/53/pdf-vor |
