Reduce the leakage of index construction in the database: Our proposal leaks both sides of index ciphertexts to enable the index construction.
Section 1 of the Additional file 1 provides a detailed explanation on the construction of the database.
This could result because of the change in system specifications because of the construction of the database.
The design, layout, and context were tested on young girls ages 16 to 18 in Germany and the Netherlands, whose input was utilized for the construction of the database.
In particular, the goal of the construction of the database lies in the development of a final system to detect drug precursors in the vapor phase.
Epi Info [17] and Stata [18] programs were used for the construction of the database and data analyses.
HS designed and supervised construction of the database.
The construction of the database involved a selection of cities, database design, data collection and analysis.
ZG and JL participated in the construction of the database and the draft of the manuscript.
More details on the construction of the database are available on the HAltORF website.
