function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barševskis, Arvīds & Janovska, Marina & Aksjuta, Kristīna', 3],
    ['Bousquet, Yves', 32],
    ['Chapman, Anna Nicola', 4],
    ['Creutzer, Christian', 7],
    ['Fabricius, Johann Christian', 14],
    ['Fominykh, Dmitriy D. & Zamotajlov, Alexandr S.', 16],
    ['Hristovski, Slavčo & Guéorguiev, Borislav', 18],
    ['Ishikawa, Ryôsuke & Kubota, Kôhei', 6],
    ['Ishikawa, Ryôsuke & Takami, Yasuoki', 4],
    ['Kabak, Ilya', 7],
    ['Kostova, Rumyana & Gueorguiev, Borislav', 26],
    ['Linnaeus, Carolus', 35],
    ['Rapuzzi, Ivan', 5],
    ['Ruchin, Alexaner B. & Egorov, Leonid V. & Alekseev, Sergei K.', 8],
    ['Solodovnikov, Igor A. & Zamotajlov, Alexandr S.', 10],
    ['Other (23)', 31]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=226)',
    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);