function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Antonovskaia, A. A. & Balakirev, A. E. & Lopatina, Y. V.', 2],
    ['Bassini-Silva, Ricardo & Takatsu, Julia Carvalho', 1],
    ['Goff, M. Lee & Loomis, Richard B. & Ainsworth, Ruth', 1],
    ['Kaluz, Stanislav & Hung, Nguyen Manh & Capek, Miroslav', 1],
    ['Kitrytė, Neringa & Baltrūnaitė, Laima', 4],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 3],
    ['Ma, Min & Li, Sheng-Cai & Fan, Qing-Hai', 2],
    ['Nielsen, David H. & Robbins, Richard G. & Rueda, Leopoldo M.', 197],
    ['Reeves, Will K. & Durden, Lance A. & Ritzi, Christopher M.', 1],
    ['Reeves, Will K. & Durden, Lance A. & Wrenn, William J.', 4],
    ['Stalstedt, Jeanette & Laydanowicz, Joanna & Lehtinen, Pekka T', 3],
    ['Stekolnikov, Alexandr & Daniel, Milan', 17],
    ['Stekolnikov, Alexandr A.', 22],
    ['Stekolnikov, Alexandr A. & Er-Rguibi, Omar', 1],
    ['Stekolnikov, Alexandr A. & Saboori, Alireza & Shamsi, Mohsen', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=273)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);