function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barcelos, Luis MD & Rodrigues, Pedro R & Bried, Joel', 8],
    ['Córdoba-Córdoba, Sergio & Sierra, Socorro', 1],
    ['Fernandez, Juan Manuel & Thomann, Luz & Fandiño, Blas', 2],
    ['LeCroy, Mary', 28],
    ['Lima, Rafael Dantas & Silveira, Luís Fábio', 1],
    ['Mary & Croy', 2],
    ['Mlíkovský, Jiří & Frahnert, Sylke', 1],
    ['Pic, Maurice', 1],
    ['Rheindt, Frank E. & Eaton, James A.', 1],
    ['Slager, David L. & Klicka, John', 1],
    ['Somenzari, Marina & Amaral, Priscilla Prudente do', 3],
    ['Swainson, William', 1],
    ['Sánchez-Montes, Sokani & Colunga-Salas, Pablo', 1],
    ['Temminck, Coenraad Jacob', 2],
    ['Vitorino, Breno Dias & Vilas Boas da Frota, Angélica', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=55)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);