function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Adrianov, Andrey V. & Murakami, Chisato & Shirayama, Yoshihisa', 2],
    ['Anguas-Escalante, Abril & Herranz, María & Martínez-Arce, Arely', 5],
    ['Cepeda, Diego & Gayet, Nicolas & Spedicato, Adriana', 2],
    ['Cepeda, Diego & González-Casarrubios, Alberto & Sánchez, Nuria', 3],
    ['Cepeda, Diego & Sánchez, Nuria & Sørensen, Martin V.', 2],
    ['González-Casarrubios, Alberto & Arbizu, Pedro Martínez', 3],
    ['González-Casarrubios, Alberto & Cepeda, Diego & Neuhaus, Birger', 2],
    ['González-Casarrubios, Alberto & Cepeda, Diego & Pardos, Fernando', 2],
    ['González-Casarrubios, Alberto & Pardos, Fernando', 2],
    ['Grzelak, Katarzyna & Sørensen, Martin V.', 17],
    ['Grzelak, Katarzyna & Yamasaki, Hiroshi & Mincks, Sarah', 2],
    ['Landers, Stephen C. & Sorensen, Martin V.', 2],
    ['Neuhaus, Birger & Lu, Borong & Yamasaki, Hiroshi', 2],
    ['Neuhaus, Birger & Pardos, Fernando & Storch, Volker', 2],
    ['Sørensen, Martin V. & Rho, Hyun Soo & Min, Won-Gi', 5],
    ['Other (13)', 18]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=71)',
    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);