function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akrami, Mohammad Ali', 5],
    ['Behan-Pelletier, Valerie M. & Lindo, Zoë', 1],
    ['Ebrahimi, Forough & A, Mohammad', 1],
    ['Ermilov, S. G. & Tolstikov, A. V.', 1],
    ['Ermilov, Sergey G. & Liao, Jhih-Rong', 1],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 3],
    ['Mahunka, S.', 2],
    ['Mahunka, S. & Mahunka-Papp, L.', 3],
    ['Migliorini, Massimo', 2],
    ['Miko, Ladislav & Mourek, Jan & Meleg, Ioana N.', 3],
    ['Murvanidze, Maka & Mumladze, Levan', 4],
    ['Oliveira, Anibal R. & Argolo, Poliane S. & De, Gilberto J.', 24],
    ['Revelo-Tobar, Harol', 21],
    ['Wauthy, Georges & Ducarme, Xavier', 2],
    ['Weigmann, G. & Miko, L.', 4],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=81)',
    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);