function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aistleitner, E.', 8],
    ['Aistleitner, Eyjolf & Lencina, Francisco & Albert, Fernando', 5],
    ['Bonelli, Simona & Barbero, Francesca & Casacci, Luca Pietro', 14],
    ['Efetov, Konstantin A. & Hofmann, Axel & Tarmann, Gerhard M.', 28],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 6],
    ['Hofmann, Axel & Naderi, Alireza', 8],
    ['Huang, Si-Yao & Horie, Kiyoshi & Fan, Xiao-Ling & Wang, Min', 20],
    ['Huang, Si-Yao & Zhu, Li-Juan & Chen, En-Yong & Xu, Yong-Qiang', 10],
    ['Kaur, Simarjit & Pandher, Manpreet Singh & Chandra, Kailash', 6],
    ['Koren, Toni', 18],
    ['Lim, Jongok & Lee, Jongwook & Koh, Sanghyun & Lee, Bongwoo', 21],
    ['Mbata, Keith J. & Prins, Jurate De', 9],
    ['Mollet, Bernard & Tarmann, Gerhard M.', 32],
    ['Tribull, Carly Melissa', 9],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 7],
    ['Other (22)', 44]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=245)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);