function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baturina, N. S.', 1],
    ['Bemmoussat-Dekkak, Soumya & Abdellaoui-Hassaine, Karima', 1],
    ['Embacher, G. & Malicky, H. & A. E & R. A', 1],
    ['MELNITSKY, STANISLAV I. & IVANOV, VLADIMIR D.', 1],
    ['Malicky, H.', 3],
    ['Malicky, Hans', 6],
    ['Melnitsky, Stanislav I. & Ivanov, Vladimir D.', 1],
    ['Mey, Wolfram & Malicky, Hans', 4],
    ['Morse, John C. & Zhong, Hua & Yang, Lian-fang', 4],
    ['Oláh, János & Johanson, Kjell Arne', 11],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 1],
    ['Waringer, Johann & Coppa, Gennaro', 2],
    ['Waringer, Johann & Malicky, Hans', 1],
    ['Wichard, Wilfried & Xu, Chunpeng', 3],
    ['Zhong, Hua & Yang, Lian-Fang & Morse, John C.', 33],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=74)',
    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);