| article html file updated | 8 February 2020 06:13 CET | Update | https://www.mdpi.com/2311-5637/3/2/22 |
| article html file updated | 24 September 2019 21:50 CEST | Update | N/A |
| article html file updated | 3 May 2019 21:20 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:28 CEST | Update | N/A |
| article html file updated | 22 May 2017 05:18 CEST | Original file | N/A |
| article xml uploaded. | 22 May 2017 05:17 CEST | Original file | https://www.mdpi.com/2311-5637/3/2/22/xml |
| article pdf uploaded. | 22 May 2017 05:17 CEST | Updated version of record | https://www.mdpi.com/2311-5637/3/2/22/pdf |
| article pdf uploaded. | 19 May 2017 10:10 CEST | Version of Record | https://www.mdpi.com/2311-5637/3/2/22/pdf-vor |
