function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akrami, Mohammad Ali', 2],
    ['Bayartogtokh, B. & Schatz, H.', 6],
    ['Behan-Pelletier, Valerie M. & Ermilov, Sergey G.', 3],
    ['Behan-Pelletier, Valerie M. & Lindo, Zoë', 12],
    ['Desurmont, Gaylord A. & Kerdellant, Elven & Pfingstl, Tobias', 2],
    ['Hushtan, Habriel H. & Hushtan, Kateryna V. & Glotov, Sergii V.', 1],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 1],
    ['Maruyama, I. & Shimano, S. & Bayartogtokh, B.', 3],
    ['Murvanidze, Maka & Cilbircioğlu, Cihan & Özdemir, Esengül', 1],
    ['Murvanidze, Maka & Mumladze, Levan', 5],
    ['Norton, Roy A. & Ermilov, Sergey G.', 2],
    ['Oliveira, Anibal R. & Argolo, Poliane S. & De, Gilberto J.', 1],
    ['Schatz, Heinrich & Fortini, Lorenzo & Fusco, Tommaso', 2],
    ['Weigmann, G. & Miko, L.', 6],
    ['Willmann, C.', 4],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=54)',
    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);