function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Asakura, Akira & Nishihama, Shiro', 1],
    ['Habe, Tadashige', 1],
    ['Kiel, Steffen & Sami, Marco & Taviani, Marco', 2],
    ['Kira, Tetsuaki', 3],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 1],
    ['Muratov, Igor V. & Heyns-Veale, Elodie', 1],
    ['Nakano, Tomoyuki & Marshall, Bruce Anders & Kennedy, Martyn', 3],
    ['Nakayama, Ryo & Sasaki, Takenori & Nakano, Tomoyuki', 1],
    ['Pacaud, Jean-Michel', 2],
    ['Tasso, Vicente & El Haddad, Mustapha & Assadi, Carolina', 4],
    ['Teramachi, Akibumi', 1],
    ['Vakani, Bhavik & Nakano, Tomoyuki & Kundu, Rahul', 2],
    ['Zapanta, Eliza Ysabelle T. & Fortaleza, Maybelle A.', 1],
    ['Zvonareva, Sofya & Kantor, Yuri', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24)',
    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);