#	Searches
1	(pediatric* or paediatric* or child* or newborn* or congenital* or infan* or baby or babies or neonat* or “pre‐term” or preterm* or “premature birth*” or NICU or preschool* or “pre‐school*” or kindergarten* or kindergarden* or “elementary school*” or “nursery school*” or (“day care*” not adult*) or schoolchild* or toddler* or boy or boys or girl* or “middle school*” or pubescen* or juvenile* or teen* or youth* or “high school*” or adolesc* or “pre‐pubesc*” or prepubesc*).tw,kf. or (child* or adolesc* or pediat* or paediat*).jn.
2	Prenatal care/ or Perinatal care/ or obstetrics/ or breast feeding/
3	women/ or pregnant women/
4	(obstetric* or gynecolog* or gynaecolog* or perinatal or prenatal or “pre natal” or antenatal or “ante natal” or postnatal or “post natal” or “maternal health” or gestation or pregnancies or pregnant or pregnancy or childbearing or gravidity or mother* or breastfeed* or “breast feeding” or woman or women).tw,kf.
5	or/1–4
6	Developing Countries.sh,kf.
7	(Africa or Asia or Caribbean or “West Indies” or “South America” or “Latin America” or “Central America”).tw,kf,hw,cp.
8	(Afghanistan or Albania or Algeria or Angola or Antigua or Barbuda or Argentina or Armenia or Armenian or Aruba or Azerbaijan or Bahrain or Bangladesh or Barbados or Benin or Byelarus or Byelorussian or Belarus or Belorussian or Belorussia or Belize or Bhutan or Bolivia or Bosnia or Herzegovina or Hercegovina or Botswana or Brasil or Brazil or Bulgaria or “Burkina Faso” or “Burkina Fasso” or “Upper Volta” or Burundi or Urundi or Cambodia or “Khmer Republic” or Kampuchea or Cameroon or Cameroons or Cameron or Camerons or “Cape Verde” or “Central African Republic” or Chad or Chile or China or Colombia or Comoros or “Comoro Islands” or Comores or Mayotte or Congo or Zaire or “Costa Rica” or “Cote d'Ivoire” or “Ivory Coast” or Croatia or Cuba or Cyprus or Czechoslovakia or “Czech Republic” or Slovakia or “Slovak Republic” or Djibouti or “French Somaliland” or Dominica or “Dominican Republic” or “East Timor” or “East Timur” or “Timor Leste” or Ecuador or Egypt or “United Arab Republic” or “El Salvador” or Eritrea or Estonia or Ethiopia or Fiji or Gabon or “Gabonese Republic” or Gambia or Gaza or “Georgia Republic” or “Georgian Republic” or Ghana or “Gold Coast” or Greece or Grenada or Guatemala or Guinea or Guam or Guiana or Guyana or Haiti or Honduras or Hungary or India or Maldives or Indonesia or Iran or Iraq or “Isle of Man” or Jamaica or Jordan or Kazakhstan or Kazakh or Kenya or Kiribati or Korea or Kosovo or Kyrgyzstan or Kirghizia or “Kyrgyz Republic” or Kirghiz or Kirgizstan or “Lao PDR” or Laos or Latvia or Lebanon or Lesotho or Basutoland or Liberia or Libya or Lithuania or Macedonia or Madagascar or “Malagasy Republic” or Malaysia or Malaya or Malay or Sabah or Sarawak or Malawi or Nyasaland or Mali or Malta or “Marshall Islands” or Mauritania or Mauritius or “Agalega Islands” or Mexico or Micronesia or “Middle East” or Moldova or Moldovia or Moldovian or Mongolia or Montenegro or Morocco or Ifni or Mozambique or Myanmar or Myanma or Burma or Namibia or Nepal or “Netherlands Antilles” or “New Caledonia” or Nicaragua or Niger or Nigeria or “Northern Mariana Islands” or Oman or Muscat or Pakistan or Palau or Palestine or Panama or Paraguay or Peru or Philippines or Philipines or Phillipines or Phillippines or Poland or Portugal or Puerto Rico or Romania or Rumania or Roumania or Russia or Russian or Rwanda or Ruanda or “Saint Kitts” or “St Kitts” or Nevis or “Saint Lucia” or “St Lucia” or “Saint Vincent” or “St Vincent” or Grenadines or Samoa or “Samoan Islands” or “Navigator Island” or “Navigator Islands” or “Sao Tome” or “Saudi Arabia” or Senegal or Serbia or Montenegro or Seychelles or “Sierra Leone” or Slovenia or “Sri Lanka” or Ceylon or “Solomon Islands” or Somalia or “South Africa” or Sudan or Suriname or Surinam or Swaziland or Syria or Tajikistan or Tadzhikistan or Tadjikistan or Tadzhik or Tanzania or Thailand or Togo or “Togolese Republic” or Tonga or Trinidad or Tobago or Tunisia or Turkey or Turkmenistan or Turkmen or Uganda or Ukraine or Uruguay or USSR or “Soviet Union” or “Union of Soviet Socialist Republics” or Uzbekistan or Uzbek or Vanuatu or “New Hebrides” or Venezuela or Vietnam or “Viet Nam” or “West Bank” or Yemen or Yugoslavia or Zambia or Zimbabwe or Rhodesia).hw,kf,it,ab,cp.
9	((developing or “less* developed” or “under developed” or underdeveloped or “middle income” or “low* income” or underserved or “under served” or deprived or poor*) adj1 (countr* or nation? or population? or world)).tw.
10	((developing or “less* developed” or “under developed” or underdeveloped or “middle income” or “low* income”) adj1 (economy or economies)).tw.
11	(low* adj1 (gdp or gnp or “gross domestic” or “gross national”)).tw.
12	(low adj3 middle adj3 countr*).tw.
13	(lmic or lmics or “third world” or “lami countr*”).tw.
14	“transitional countr*”.tw.
15	or/6–14
16	5 and 15
17	exp mass media/ or exp social media/ or blogging/ or social networking/ or radio/
18	(Internet or “cyber space” or cyberspace or “world wide web” or “information and communication technologies” or “communication technolog*” or ICTs or “communication application*” or “communication apps”).tw,kf.
19	((virtual or online) adj2 (communit* or network* or forum? or support*)).tw,kf.
20	(“mass media” or “social media” or “social medium?” or “social network*” or sns or multimedia).tw,kf.
21	(phone adj2 (app? or application?)).tw,kf.
22	(“push technolog*” or “web 2.0” or “web 2.0 s” or radio or television* or TV or TVs or twitter or facebook or WeChat or weibo or YouTube or whatsapp or blogging or blog? or “hash tag*” or hashtag* or microblog* or “chat room” or “Internet chat” or “online chat” or email or wiki*).tw,kf.
23	(sms or “short messag*” or text* or “mobile outreach” or “mobile out reach” or mms or smartphone* or telephone* or cellphone*).tw,kf.
24	((text or short or instant or multimedia or “multi‐media”) adj1 messag*).tw,kf.
25	((car or cell or cellular or mobile or smart) adj1 (phone or phones or telephone*)).tw,kf.
26	(mobile adj2 communication).tw,kf.
27	(mhealth or “m‐health” or ehealth or “e‐health” or “mobile medicine” or “mobile health”).tw,kf.
28	or/17–27
29	16 and 28
30	((cash or money or monetary or electronic) adj1 (transfer* or assistant* or voucher* or allowance?)).tw,kf.
31	(“mobile money” or “mobile pay” or “e‐transfer” or “etranfer” or “financial assistance” or “financial support” or “food stamp?” or “food voucher?” or “food assistance” or “cash credit”).tw,kf.
32	food supply/ or (“food insecurity*” or “food security” or “food suppl*” or “social protection”).tw,kf.
33	or/30–32
34	16 and 33
35	(“community health” adj1 (service? or centre? or center? or promotion or “out reach” or outreach)).tw,kf.
36	((“health care” or healthcare or health) adj1 (worker? or personnel or volunteer* or provider* or network or campaign* or alliance)).tw,kf.
37	((community or “community based”) adj1 (program* or network* or mobili?er or “out reach” or outreach or aide? or involvement or participation)).tw,kf.
38	(“volunt* worker?” or “peer group?” or “wom#n group?” or “wom#n's group?” or “child health day” or “integrated management of childhood illness” or IMCI).tw,kf.
39	or/35–38
40	1089
41	29 or 34 or 40
42	(“macro‐nutrient” or “macro nutrient” or macronutrient or malnutrition or malnourishment or intracortical* or undernutrition or undernourishment or underfeeding or malabsorption or nourish*).tw,kf.
43	(diet? or dietary or nutrition* or supplement* or food? or feed*).tw,kf.
44	or/42–43
45	41 and 44
46	limit 45 to yr = “1997 ‐Current”
47	limit 46 to english language