| article html file updated | 8 February 2020 01:11 CET | Update | https://www.mdpi.com/2078-2489/8/1/31 |
| article html file updated | 23 September 2019 18:15 CEST | Update | N/A |
| article html file updated | 4 May 2019 07:19 CEST | Update | N/A |
| article html file updated | 30 March 2017 03:32 CEST | Update | N/A |
| article html file updated | 20 March 2017 13:12 CET | Update | N/A |
| article xml uploaded. | 20 March 2017 13:11 CET | Update | https://www.mdpi.com/2078-2489/8/1/31/xml |
| article pdf uploaded. | 20 March 2017 13:11 CET | Updated version of record | https://www.mdpi.com/2078-2489/8/1/31/pdf |
| article html file updated | 10 March 2017 10:16 CET | Original file | N/A |
| article pdf uploaded. | 10 March 2017 10:14 CET | Version of Record | https://www.mdpi.com/2078-2489/8/1/31/pdf-vor |
