function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anichtchenko, Alexander V. & Shavrin, Alexey V.', 9],
    ['Azadbakhsh, Saeed & Nozari, Jamasb', 1],
    ['Barševskis, Arvīds', 6],
    ['Bousquet, Yves', 16],
    ['Dearborn, Richard G. & Nelson, Robert E. & Donahue, Charlene', 1],
    ['Guéorguiev, B.', 4],
    ['Hristovski, Slavčo & Guéorguiev, Borislav', 12],
    ['Kabak, Ilya', 1],
    ['Kokina, Inese & Barševskis, Arvīds & Gavarāne, Inese', 1],
    ['Kostova, Rumyana & Gueorguiev, Borislav', 10],
    ['Majka, Christopher G. & Bousquet, Yves & Westby, Susan', 1],
    ['McCorquodale, D. B.', 1],
    ['Pétremand, Gaël', 1],
    ['Ruchin, Alexaner B. & Egorov, Leonid V. & Alekseev, Sergei K.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=66)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);