function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alekseev, Vitalii I. & Drotikova, Anna M. & Rozhina, Viktoria I.', 2],
    ['Alonso-Zarazaga, M. A. & Wang, Zhiliang & Zhang, Runzhi', 1],
    ['Arzanov, Yu. G. & Martynov, V. V. & Nikulina, T. V.', 49],
    ['Borges, Paulo A. V. & Gaspar, Clara', 2],
    ['Christoph Germann & Sofia Wyler & Marco Valerio Bernasconi', 1],
    ['Colonnelli, Enzo & Osella, Giuseppe', 2],
    ['Ghahari, Hassan & Colonnelli, Enzo', 7],
    ['Giusto, Carlo', 13],
    ['Giusto, Carlo & Košťál, Michael & Holecová, Milada', 2],
    ['Kissinger, David G.', 1],
    ['Mazur, Miłosz A.', 4],
    ['Morris, Michael G. & Sw, London & Dt, Dorset', 36],
    ['Stüben, Peter E. & Schütte, André & Astrin, Jonas J.', 2],
    ['Wanat, Marek', 3],
    ['Yunakov, Nikolai & Nazarenko, Vitalij & Filimonov, Rostislav', 14],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=144)',
    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);