TS=(((("Safe" AND ("water access" OR "drinking water")) OR ("clean" AND ("drinking water" OR "water source")) OR ("water" AND ("sanitation and hygiene" OR "sanitation & hygiene" OR "quality" OR "resource") AND ("water availability" OR "water-use efficiency" OR "water supply" OR "water supplies" OR "clean water" OR "hygienic toilet" OR "hygienic toilets" OR "antifouling membrane" OR "antifouling membranes" OR "anti-fouling membrane" OR "anti-fouling membranes" OR "water management" OR "aquatic toxicology" OR "water toxicology" OR "aquatic ecotoxicology" OR "water ecotoxicology")) OR (("freshwater" OR "fresh water") AND "water quality" AND ("pollutant" OR "pollution" OR "contamina*")) OR ("freshwater" AND ("water security" OR "water shortage" OR ("waste water" AND "treatment") OR ("wastewater" AND "treatment") OR "water conservation" OR "water footprint" OR "water infrastructure" OR "water pollution" OR "water purification" OR "water use" OR "water uses" OR "sanit*" OR "sewer*")) OR (("water" AND ("ecosystem" OR "eco-system") AND ("protection of" OR "endocrine disruptor" OR "endocrine disruptors")) NOT "marine") OR ("water" AND "water management" AND ("pollution remediation" OR "pollutant removal")) OR (("groundwater" OR "ground water" OR "ground-water") AND "freshwater") OR (("water pollution" OR "water pollutant") AND (("waste water" AND "treatment") OR ("wastewater" AND "treatment"))) OR "freshwater availability" OR "fresh water availability" OR "water scarcity" OR "open defecation" OR "blue water" OR "green water" OR "grey water" OR "black water") NOT "global burden of disease study"))
