function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Brailovsky, Harry', 2],
    ['Castro-Huertas, Valentina & Minghetti, Eugenia', 1],
    ['Coscarón, María Del Carmen', 1],
    ['Dellape, Pablo M. & Melo, Maria C.', 9],
    ['Gao, Cuiqing & Bu, Wenjun', 19],
    ['Gao, Cuiqing & Zhou, Yu', 7],
    ['Ghahari, Hassan & Moulet, Pierre', 2],
    ['Henry, Thomas J. & Sweet, Merrill H.', 2],
    ['Ishikawa, Tadashi & Saito, Masayuki U. & Kishimoto-Yamada, Keiko', 2],
    ['Kment, Petr & Baňař, Petr & Bílý, Svatopluk', 1],
    ['Kment, Petr & Cunev, Jozef & Hemala, Vladimír', 1],
    ['Krüger, Andreas & Deckert, Jürgen', 4],
    ['Linnavuori, Rauno E.', 2],
    ['María C. Melo & Gimena Dellapé & Leonela Olivera', 5],
    ['Melo, Maria Cecilia & Dellape, Pablo Matias', 1],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=62)',
    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);